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Finding the Fourth Proportional to 536,683.77, 740,620.67 and 291,666.33

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Solution

The fourth proportional to 536,683.77, 740,620.67 and 291,666.33 is: 402,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,683.77 : 740,620.67 = 291,666.33 : x
  2. Step 2: Convert to fraction form
    536,683.77/740,620.67 = 291,666.33/x
  3. Step 3: Cross multiply
    536,683.77x = 740,620.67 × 291,666.33
  4. Step 4: Simplify right side
    536,683.77x = 216,014,111,282.71
  5. Step 5: Solve for x
    x = 216,014,111,282.71/536,683.77
  6. Step 6: Final answer
    x = 402,497.94

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.