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Finding the Fourth Proportional to 504,583.38, 696,324.30 and 278,229.42

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Solution

The fourth proportional to 504,583.38, 696,324.30 and 278,229.42 is: 383,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,583.38 : 696,324.30 = 278,229.42 : x
  2. Step 2: Convert to fraction form
    504,583.38/696,324.30 = 278,229.42/x
  3. Step 3: Cross multiply
    504,583.38x = 696,324.30 × 278,229.42
  4. Step 4: Simplify right side
    504,583.38x = 193,737,906,120.91
  5. Step 5: Solve for x
    x = 193,737,906,120.91/504,583.38
  6. Step 6: Final answer
    x = 383,956.18

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Double scale
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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.