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Finding the Fourth Proportional to 337,681.34, 506,522.86 and 138,001.70

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Solution

The fourth proportional to 337,681.34, 506,522.86 and 138,001.70 is: 207,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,681.34 : 506,522.86 = 138,001.70 : x
  2. Step 2: Convert to fraction form
    337,681.34/506,522.86 = 138,001.70/x
  3. Step 3: Cross multiply
    337,681.34x = 506,522.86 × 138,001.70
  4. Step 4: Simplify right side
    337,681.34x = 69,901,015,768.86
  5. Step 5: Solve for x
    x = 69,901,015,768.86/337,681.34
  6. Step 6: Final answer
    x = 207,002.90

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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.