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Finding the Fourth Proportional to 487,748.40, 731,622.60 and 222,027.90

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Solution

The fourth proportional to 487,748.40, 731,622.60 and 222,027.90 is: 333,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,748.40 : 731,622.60 = 222,027.90 : x
  2. Step 2: Convert to fraction form
    487,748.40/731,622.60 = 222,027.90/x
  3. Step 3: Cross multiply
    487,748.40x = 731,622.60 × 222,027.90
  4. Step 4: Simplify right side
    487,748.40x = 162,440,629,470.54
  5. Step 5: Solve for x
    x = 162,440,629,470.54/487,748.40
  6. Step 6: Final answer
    x = 333,041.85

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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.