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Finding the Fourth Proportional to 304,717.71, 457,251.59 and 237,970.47

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Solution

The fourth proportional to 304,717.71, 457,251.59 and 237,970.47 is: 357,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,717.71 : 457,251.59 = 237,970.47 : x
  2. Step 2: Convert to fraction form
    304,717.71/457,251.59 = 237,970.47/x
  3. Step 3: Cross multiply
    304,717.71x = 457,251.59 × 237,970.47
  4. Step 4: Simplify right side
    304,717.71x = 108,812,375,780.55
  5. Step 5: Solve for x
    x = 108,812,375,780.55/304,717.71
  6. Step 6: Final answer
    x = 357,092.39

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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.