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Finding the Fourth Proportional to 607,592.38, 911,177.51 and 338,131.73

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Solution

The fourth proportional to 607,592.38, 911,177.51 and 338,131.73 is: 507,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,592.38 : 911,177.51 = 338,131.73 : x
  2. Step 2: Convert to fraction form
    607,592.38/911,177.51 = 338,131.73/x
  3. Step 3: Cross multiply
    607,592.38x = 911,177.51 × 338,131.73
  4. Step 4: Simplify right side
    607,592.38x = 308,098,025,157.30
  5. Step 5: Solve for x
    x = 308,098,025,157.30/607,592.38
  6. Step 6: Final answer
    x = 507,080.13

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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.