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Finding the Fourth Proportional to 625,414.84, 863,073.22 and 338,934.92

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Solution

The fourth proportional to 625,414.84, 863,073.22 and 338,934.92 is: 467,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,414.84 : 863,073.22 = 338,934.92 : x
  2. Step 2: Convert to fraction form
    625,414.84/863,073.22 = 338,934.92/x
  3. Step 3: Cross multiply
    625,414.84x = 863,073.22 × 338,934.92
  4. Step 4: Simplify right side
    625,414.84x = 292,525,652,774.84
  5. Step 5: Solve for x
    x = 292,525,652,774.84/625,414.84
  6. Step 6: Final answer
    x = 467,730.59

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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.