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Finding the Fourth Proportional to 337,717.61, 506,576.31 and 127,306.34

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Solution

The fourth proportional to 337,717.61, 506,576.31 and 127,306.34 is: 190,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,717.61 : 506,576.31 = 127,306.34 : x
  2. Step 2: Convert to fraction form
    337,717.61/506,576.31 = 127,306.34/x
  3. Step 3: Cross multiply
    337,717.61x = 506,576.31 × 127,306.34
  4. Step 4: Simplify right side
    337,717.61x = 64,490,375,956.81
  5. Step 5: Solve for x
    x = 64,490,375,956.81/337,717.61
  6. Step 6: Final answer
    x = 190,959.47

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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.