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Finding the Fourth Proportional to 541,508.16, 811,374.48 and 383,452.80

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Solution

The fourth proportional to 541,508.16, 811,374.48 and 383,452.80 is: 574,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,508.16 : 811,374.48 = 383,452.80 : x
  2. Step 2: Convert to fraction form
    541,508.16/811,374.48 = 383,452.80/x
  3. Step 3: Cross multiply
    541,508.16x = 811,374.48 × 383,452.80
  4. Step 4: Simplify right side
    541,508.16x = 311,123,816,204.54
  5. Step 5: Solve for x
    x = 311,123,816,204.54/541,508.16
  6. Step 6: Final answer
    x = 574,550.56

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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.