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Finding the Fourth Proportional to 581,718.78, 872,592.75 and 160,998.30

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Solution

The fourth proportional to 581,718.78, 872,592.75 and 160,998.30 is: 241,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,718.78 : 872,592.75 = 160,998.30 : x
  2. Step 2: Convert to fraction form
    581,718.78/872,592.75 = 160,998.30/x
  3. Step 3: Cross multiply
    581,718.78x = 872,592.75 × 160,998.30
  4. Step 4: Simplify right side
    581,718.78x = 140,485,949,342.33
  5. Step 5: Solve for x
    x = 140,485,949,342.33/581,718.78
  6. Step 6: Final answer
    x = 241,501.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 581,719.78, 872,594.25 and 160,999.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.