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Finding the Fourth Proportional to 551,449.80, 827,174.70 and 501,586.20

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Solution

The fourth proportional to 551,449.80, 827,174.70 and 501,586.20 is: 752,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,449.80 : 827,174.70 = 501,586.20 : x
  2. Step 2: Convert to fraction form
    551,449.80/827,174.70 = 501,586.20/x
  3. Step 3: Cross multiply
    551,449.80x = 827,174.70 × 501,586.20
  4. Step 4: Simplify right side
    551,449.80x = 414,899,414,509.14
  5. Step 5: Solve for x
    x = 414,899,414,509.14/551,449.80
  6. Step 6: Final answer
    x = 752,379.30

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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.