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Finding the Fourth Proportional to 526,374.92, 726,404.73 and 296,942.83

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Solution

The fourth proportional to 526,374.92, 726,404.73 and 296,942.83 is: 409,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,374.92 : 726,404.73 = 296,942.83 : x
  2. Step 2: Convert to fraction form
    526,374.92/726,404.73 = 296,942.83/x
  3. Step 3: Cross multiply
    526,374.92x = 726,404.73 × 296,942.83
  4. Step 4: Simplify right side
    526,374.92x = 215,700,676,251.59
  5. Step 5: Solve for x
    x = 215,700,676,251.59/526,374.92
  6. Step 6: Final answer
    x = 409,785.25

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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.