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Finding the Fourth Proportional to 411,575.87, 567,863.23 and 282,553.80

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Solution

The fourth proportional to 411,575.87, 567,863.23 and 282,553.80 is: 389,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,575.87 : 567,863.23 = 282,553.80 : x
  2. Step 2: Convert to fraction form
    411,575.87/567,863.23 = 282,553.80/x
  3. Step 3: Cross multiply
    411,575.87x = 567,863.23 × 282,553.80
  4. Step 4: Simplify right side
    411,575.87x = 160,451,913,516.77
  5. Step 5: Solve for x
    x = 160,451,913,516.77/411,575.87
  6. Step 6: Final answer
    x = 389,847.72

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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.