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Finding the Fourth Proportional to 551,424.80, 827,290.80 and 270,951.20

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Solution

The fourth proportional to 551,424.80, 827,290.80 and 270,951.20 is: 406,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,424.80 : 827,290.80 = 270,951.20 : x
  2. Step 2: Convert to fraction form
    551,424.80/827,290.80 = 270,951.20/x
  3. Step 3: Cross multiply
    551,424.80x = 827,290.80 × 270,951.20
  4. Step 4: Simplify right side
    551,424.80x = 224,155,435,008.96
  5. Step 5: Solve for x
    x = 224,155,435,008.96/551,424.80
  6. Step 6: Final answer
    x = 406,502.27

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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.