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Finding the Fourth Proportional to 551,900.20, 827,194.20 and 495,475.60

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Solution

The fourth proportional to 551,900.20, 827,194.20 and 495,475.60 is: 742,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,900.20 : 827,194.20 = 495,475.60 : x
  2. Step 2: Convert to fraction form
    551,900.20/827,194.20 = 495,475.60/x
  3. Step 3: Cross multiply
    551,900.20x = 827,194.20 × 495,475.60
  4. Step 4: Simplify right side
    551,900.20x = 409,854,542,561.52
  5. Step 5: Solve for x
    x = 409,854,542,561.52/551,900.20
  6. Step 6: Final answer
    x = 742,624.38

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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.