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Finding the Fourth Proportional to 584,443.20, 876,405.60 and 268,996.80

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Solution

The fourth proportional to 584,443.20, 876,405.60 and 268,996.80 is: 403,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,443.20 : 876,405.60 = 268,996.80 : x
  2. Step 2: Convert to fraction form
    584,443.20/876,405.60 = 268,996.80/x
  3. Step 3: Cross multiply
    584,443.20x = 876,405.60 × 268,996.80
  4. Step 4: Simplify right side
    584,443.20x = 235,750,301,902.08
  5. Step 5: Solve for x
    x = 235,750,301,902.08/584,443.20
  6. Step 6: Final answer
    x = 403,375.90

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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.