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Finding the Fourth Proportional to 574,191.12, 861,885.19 and 254,567.44

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Solution

The fourth proportional to 574,191.12, 861,885.19 and 254,567.44 is: 382,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,191.12 : 861,885.19 = 254,567.44 : x
  2. Step 2: Convert to fraction form
    574,191.12/861,885.19 = 254,567.44/x
  3. Step 3: Cross multiply
    574,191.12x = 861,885.19 × 254,567.44
  4. Step 4: Simplify right side
    574,191.12x = 219,407,902,939.68
  5. Step 5: Solve for x
    x = 219,407,902,939.68/574,191.12
  6. Step 6: Final answer
    x = 382,116.50

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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.