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Finding the Fourth Proportional to 526,195.92, 726,158.28 and 299,836.56

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Solution

The fourth proportional to 526,195.92, 726,158.28 and 299,836.56 is: 413,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,195.92 : 726,158.28 = 299,836.56 : x
  2. Step 2: Convert to fraction form
    526,195.92/726,158.28 = 299,836.56/x
  3. Step 3: Cross multiply
    526,195.92x = 726,158.28 × 299,836.56
  4. Step 4: Simplify right side
    526,195.92x = 217,728,800,690.72
  5. Step 5: Solve for x
    x = 217,728,800,690.72/526,195.92
  6. Step 6: Final answer
    x = 413,778.96

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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.