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Finding the Fourth Proportional to 581,033.60, 871,377.60 and 225,843.20

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Solution

The fourth proportional to 581,033.60, 871,377.60 and 225,843.20 is: 338,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,033.60 : 871,377.60 = 225,843.20 : x
  2. Step 2: Convert to fraction form
    581,033.60/871,377.60 = 225,843.20/x
  3. Step 3: Cross multiply
    581,033.60x = 871,377.60 × 225,843.20
  4. Step 4: Simplify right side
    581,033.60x = 196,794,705,592.32
  5. Step 5: Solve for x
    x = 196,794,705,592.32/581,033.60
  6. Step 6: Final answer
    x = 338,697.63

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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.