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Finding the Fourth Proportional to 487,744.40, 731,616.60 and 222,023.90

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Solution

The fourth proportional to 487,744.40, 731,616.60 and 222,023.90 is: 333,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,744.40 : 731,616.60 = 222,023.90 : x
  2. Step 2: Convert to fraction form
    487,744.40/731,616.60 = 222,023.90/x
  3. Step 3: Cross multiply
    487,744.40x = 731,616.60 × 222,023.90
  4. Step 4: Simplify right side
    487,744.40x = 162,436,370,836.74
  5. Step 5: Solve for x
    x = 162,436,370,836.74/487,744.40
  6. Step 6: Final answer
    x = 333,035.85

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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.