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Finding the Fourth Proportional to 337,715.61, 506,573.31 and 127,304.34

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Solution

The fourth proportional to 337,715.61, 506,573.31 and 127,304.34 is: 190,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,715.61 : 506,573.31 = 127,304.34 : x
  2. Step 2: Convert to fraction form
    337,715.61/506,573.31 = 127,304.34/x
  3. Step 3: Cross multiply
    337,715.61x = 506,573.31 × 127,304.34
  4. Step 4: Simplify right side
    337,715.61x = 64,488,981,368.56
  5. Step 5: Solve for x
    x = 64,488,981,368.56/337,715.61
  6. Step 6: Final answer
    x = 190,956.47

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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.