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Finding the Fourth Proportional to 574,030.80, 861,046.20 and 495,298.80

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Solution

The fourth proportional to 574,030.80, 861,046.20 and 495,298.80 is: 742,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,030.80 : 861,046.20 = 495,298.80 : x
  2. Step 2: Convert to fraction form
    574,030.80/861,046.20 = 495,298.80/x
  3. Step 3: Cross multiply
    574,030.80x = 861,046.20 × 495,298.80
  4. Step 4: Simplify right side
    574,030.80x = 426,475,149,604.56
  5. Step 5: Solve for x
    x = 426,475,149,604.56/574,030.80
  6. Step 6: Final answer
    x = 742,948.20

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Similar ratio
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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.