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Finding the Fourth Proportional to 568,102.59, 784,442.21 and 542,416.28

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Solution

The fourth proportional to 568,102.59, 784,442.21 and 542,416.28 is: 748,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,102.59 : 784,442.21 = 542,416.28 : x
  2. Step 2: Convert to fraction form
    568,102.59/784,442.21 = 542,416.28/x
  3. Step 3: Cross multiply
    568,102.59x = 784,442.21 × 542,416.28
  4. Step 4: Simplify right side
    568,102.59x = 425,494,218,788.89
  5. Step 5: Solve for x
    x = 425,494,218,788.89/568,102.59
  6. Step 6: Final answer
    x = 748,974.26

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Double scale
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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.