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Finding the Fourth Proportional to 572,747.60, 858,797.40 and 217,773.20

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Solution

The fourth proportional to 572,747.60, 858,797.40 and 217,773.20 is: 326,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,747.60 : 858,797.40 = 217,773.20 : x
  2. Step 2: Convert to fraction form
    572,747.60/858,797.40 = 217,773.20/x
  3. Step 3: Cross multiply
    572,747.60x = 858,797.40 × 217,773.20
  4. Step 4: Simplify right side
    572,747.60x = 187,023,057,949.68
  5. Step 5: Solve for x
    x = 187,023,057,949.68/572,747.60
  6. Step 6: Final answer
    x = 326,536.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.