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Finding the Fourth Proportional to 625,454.92, 863,104.57 and 338,968.86

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Solution

The fourth proportional to 625,454.92, 863,104.57 and 338,968.86 is: 467,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,454.92 : 863,104.57 = 338,968.86 : x
  2. Step 2: Convert to fraction form
    625,454.92/863,104.57 = 338,968.86/x
  3. Step 3: Cross multiply
    625,454.92x = 863,104.57 × 338,968.86
  4. Step 4: Simplify right side
    625,454.92x = 292,565,572,153.69
  5. Step 5: Solve for x
    x = 292,565,572,153.69/625,454.92
  6. Step 6: Final answer
    x = 467,764.44

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Similar ratio
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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.