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Finding the Fourth Proportional to 625,226.92, 862,801.85 and 353,288.96

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Solution

The fourth proportional to 625,226.92, 862,801.85 and 353,288.96 is: 487,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,226.92 : 862,801.85 = 353,288.96 : x
  2. Step 2: Convert to fraction form
    625,226.92/862,801.85 = 353,288.96/x
  3. Step 3: Cross multiply
    625,226.92x = 862,801.85 × 353,288.96
  4. Step 4: Simplify right side
    625,226.92x = 304,818,368,272.58
  5. Step 5: Solve for x
    x = 304,818,368,272.58/625,226.92
  6. Step 6: Final answer
    x = 487,532.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.