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Finding the Fourth Proportional to 625,159.00, 937,738.47 and 288,099.92

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Solution

The fourth proportional to 625,159.00, 937,738.47 and 288,099.92 is: 432,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,159.00 : 937,738.47 = 288,099.92 : x
  2. Step 2: Convert to fraction form
    625,159.00/937,738.47 = 288,099.92/x
  3. Step 3: Cross multiply
    625,159.00x = 937,738.47 × 288,099.92
  4. Step 4: Simplify right side
    625,159.00x = 270,162,379,992.08
  5. Step 5: Solve for x
    x = 270,162,379,992.08/625,159.00
  6. Step 6: Final answer
    x = 432,149.87

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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.