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Finding the Fourth Proportional to 337,573.36, 506,470.80 and 138,061.48

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Solution

The fourth proportional to 337,573.36, 506,470.80 and 138,061.48 is: 207,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,573.36 : 506,470.80 = 138,061.48 : x
  2. Step 2: Convert to fraction form
    337,573.36/506,470.80 = 138,061.48/x
  3. Step 3: Cross multiply
    337,573.36x = 506,470.80 × 138,061.48
  4. Step 4: Simplify right side
    337,573.36x = 69,924,108,224.78
  5. Step 5: Solve for x
    x = 69,924,108,224.78/337,573.36
  6. Step 6: Final answer
    x = 207,137.52

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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.