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Finding the Fourth Proportional to 404,188.60, 606,501.60 and 167,555.20

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Solution

The fourth proportional to 404,188.60, 606,501.60 and 167,555.20 is: 251,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,188.60 : 606,501.60 = 167,555.20 : x
  2. Step 2: Convert to fraction form
    404,188.60/606,501.60 = 167,555.20/x
  3. Step 3: Cross multiply
    404,188.60x = 606,501.60 × 167,555.20
  4. Step 4: Simplify right side
    404,188.60x = 101,622,496,888.32
  5. Step 5: Solve for x
    x = 101,622,496,888.32/404,188.60
  6. Step 6: Final answer
    x = 251,423.46

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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.