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Finding the Fourth Proportional to 534,138.80, 802,957.80 and 377,452.40

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Solution

The fourth proportional to 534,138.80, 802,957.80 and 377,452.40 is: 567,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,138.80 : 802,957.80 = 377,452.40 : x
  2. Step 2: Convert to fraction form
    534,138.80/802,957.80 = 377,452.40/x
  3. Step 3: Cross multiply
    534,138.80x = 802,957.80 × 377,452.40
  4. Step 4: Simplify right side
    534,138.80x = 303,078,348,708.72
  5. Step 5: Solve for x
    x = 303,078,348,708.72/534,138.80
  6. Step 6: Final answer
    x = 567,414.97

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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.