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Finding the Fourth Proportional to 551,458.80, 827,188.20 and 461,257.20

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Solution

The fourth proportional to 551,458.80, 827,188.20 and 461,257.20 is: 691,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,458.80 : 827,188.20 = 461,257.20 : x
  2. Step 2: Convert to fraction form
    551,458.80/827,188.20 = 461,257.20/x
  3. Step 3: Cross multiply
    551,458.80x = 827,188.20 × 461,257.20
  4. Step 4: Simplify right side
    551,458.80x = 381,546,513,005.04
  5. Step 5: Solve for x
    x = 381,546,513,005.04/551,458.80
  6. Step 6: Final answer
    x = 691,885.80

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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.