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Finding the Fourth Proportional to 526,800.32, 726,984.41 and 285,082.86

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Solution

The fourth proportional to 526,800.32, 726,984.41 and 285,082.86 is: 393,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,800.32 : 726,984.41 = 285,082.86 : x
  2. Step 2: Convert to fraction form
    526,800.32/726,984.41 = 285,082.86/x
  3. Step 3: Cross multiply
    526,800.32x = 726,984.41 × 285,082.86
  4. Step 4: Simplify right side
    526,800.32x = 207,250,794,778.21
  5. Step 5: Solve for x
    x = 207,250,794,778.21/526,800.32
  6. Step 6: Final answer
    x = 393,414.33

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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.