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Finding the Fourth Proportional to 574,511.12, 861,366.96 and 254,489.24

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Solution

The fourth proportional to 574,511.12, 861,366.96 and 254,489.24 is: 381,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,511.12 : 861,366.96 = 254,489.24 : x
  2. Step 2: Convert to fraction form
    574,511.12/861,366.96 = 254,489.24/x
  3. Step 3: Cross multiply
    574,511.12x = 861,366.96 × 254,489.24
  4. Step 4: Simplify right side
    574,511.12x = 219,208,623,011.51
  5. Step 5: Solve for x
    x = 219,208,623,011.51/574,511.12
  6. Step 6: Final answer
    x = 381,556.80

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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.