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Finding the Fourth Proportional to 337,523.60, 506,139.60 and 168,978.80

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Solution

The fourth proportional to 337,523.60, 506,139.60 and 168,978.80 is: 253,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,523.60 : 506,139.60 = 168,978.80 : x
  2. Step 2: Convert to fraction form
    337,523.60/506,139.60 = 168,978.80/x
  3. Step 3: Cross multiply
    337,523.60x = 506,139.60 × 168,978.80
  4. Step 4: Simplify right side
    337,523.60x = 85,526,862,240.48
  5. Step 5: Solve for x
    x = 85,526,862,240.48/337,523.60
  6. Step 6: Final answer
    x = 253,395.21

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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.