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Finding the Fourth Proportional to 332,597.70, 498,787.20 and 122,208.30

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Solution

The fourth proportional to 332,597.70, 498,787.20 and 122,208.30 is: 183,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,597.70 : 498,787.20 = 122,208.30 : x
  2. Step 2: Convert to fraction form
    332,597.70/498,787.20 = 122,208.30/x
  3. Step 3: Cross multiply
    332,597.70x = 498,787.20 × 122,208.30
  4. Step 4: Simplify right side
    332,597.70x = 60,955,935,773.76
  5. Step 5: Solve for x
    x = 60,955,935,773.76/332,597.70
  6. Step 6: Final answer
    x = 183,272.27

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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.