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Finding the Fourth Proportional to 700,906.68, 967,251.72 and 378,616.76

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Solution

The fourth proportional to 700,906.68, 967,251.72 and 378,616.76 is: 522,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,906.68 : 967,251.72 = 378,616.76 : x
  2. Step 2: Convert to fraction form
    700,906.68/967,251.72 = 378,616.76/x
  3. Step 3: Cross multiply
    700,906.68x = 967,251.72 × 378,616.76
  4. Step 4: Simplify right side
    700,906.68x = 366,217,712,330.83
  5. Step 5: Solve for x
    x = 366,217,712,330.83/700,906.68
  6. Step 6: Final answer
    x = 522,491.40

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Double scale
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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.