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Finding the Fourth Proportional to 574,514.62, 861,966.02 and 254,622.74

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Solution

The fourth proportional to 574,514.62, 861,966.02 and 254,622.74 is: 382,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,514.62 : 861,966.02 = 254,622.74 : x
  2. Step 2: Convert to fraction form
    574,514.62/861,966.02 = 254,622.74/x
  3. Step 3: Cross multiply
    574,514.62x = 861,966.02 × 254,622.74
  4. Step 4: Simplify right side
    574,514.62x = 219,476,146,126.02
  5. Step 5: Solve for x
    x = 219,476,146,126.02/574,514.62
  6. Step 6: Final answer
    x = 382,020.13

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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.