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Finding the Fourth Proportional to 574,509, 861,957.59 and 254,617.11

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Solution

The fourth proportional to 574,509, 861,957.59 and 254,617.11 is: 382,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,509 : 861,957.59 = 254,617.11 : x
  2. Step 2: Convert to fraction form
    574,509/861,957.59 = 254,617.11/x
  3. Step 3: Cross multiply
    574,509x = 861,957.59 × 254,617.11
  4. Step 4: Simplify right side
    574,509x = 219,469,149,235.28
  5. Step 5: Solve for x
    x = 219,469,149,235.28/574,509
  6. Step 6: Final answer
    x = 382,011.68

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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.