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Finding the Fourth Proportional to 625,269.72, 937,902.12 and 151,956.48

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Solution

The fourth proportional to 625,269.72, 937,902.12 and 151,956.48 is: 227,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,269.72 : 937,902.12 = 151,956.48 : x
  2. Step 2: Convert to fraction form
    625,269.72/937,902.12 = 151,956.48/x
  3. Step 3: Cross multiply
    625,269.72x = 937,902.12 × 151,956.48
  4. Step 4: Simplify right side
    625,269.72x = 142,520,304,739.74
  5. Step 5: Solve for x
    x = 142,520,304,739.74/625,269.72
  6. Step 6: Final answer
    x = 227,934.12

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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.