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Finding the Fourth Proportional to 574,510, 861,959.09 and 254,618.11

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Solution

The fourth proportional to 574,510, 861,959.09 and 254,618.11 is: 382,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,510 : 861,959.09 = 254,618.11 : x
  2. Step 2: Convert to fraction form
    574,510/861,959.09 = 254,618.11/x
  3. Step 3: Cross multiply
    574,510x = 861,959.09 × 254,618.11
  4. Step 4: Simplify right side
    574,510x = 219,470,394,393.12
  5. Step 5: Solve for x
    x = 219,470,394,393.12/574,510
  6. Step 6: Final answer
    x = 382,013.18

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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.