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Finding the Fourth Proportional to 537,956.61, 806,957.19 and 158,877.42

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Solution

The fourth proportional to 537,956.61, 806,957.19 and 158,877.42 is: 238,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,956.61 : 806,957.19 = 158,877.42 : x
  2. Step 2: Convert to fraction form
    537,956.61/806,957.19 = 158,877.42/x
  3. Step 3: Cross multiply
    537,956.61x = 806,957.19 × 158,877.42
  4. Step 4: Simplify right side
    537,956.61x = 128,207,276,397.65
  5. Step 5: Solve for x
    x = 128,207,276,397.65/537,956.61
  6. Step 6: Final answer
    x = 238,322.71

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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.