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Finding the Fourth Proportional to 625,956.46, 938,987.21 and 199,552.86

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Solution

The fourth proportional to 625,956.46, 938,987.21 and 199,552.86 is: 299,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,956.46 : 938,987.21 = 199,552.86 : x
  2. Step 2: Convert to fraction form
    625,956.46/938,987.21 = 199,552.86/x
  3. Step 3: Cross multiply
    625,956.46x = 938,987.21 × 199,552.86
  4. Step 4: Simplify right side
    625,956.46x = 187,377,583,258.92
  5. Step 5: Solve for x
    x = 187,377,583,258.92/625,956.46
  6. Step 6: Final answer
    x = 299,346.03

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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.