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Finding the Fourth Proportional to 337,710.42, 506,566.26 and 138,030.66

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Solution

The fourth proportional to 337,710.42, 506,566.26 and 138,030.66 is: 207,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,710.42 : 506,566.26 = 138,030.66 : x
  2. Step 2: Convert to fraction form
    337,710.42/506,566.26 = 138,030.66/x
  3. Step 3: Cross multiply
    337,710.42x = 506,566.26 × 138,030.66
  4. Step 4: Simplify right side
    337,710.42x = 69,921,675,201.53
  5. Step 5: Solve for x
    x = 69,921,675,201.53/337,710.42
  6. Step 6: Final answer
    x = 207,046.25

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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.