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Finding the Fourth Proportional to 332,503.60, 498,755.40 and 199,315.30

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Solution

The fourth proportional to 332,503.60, 498,755.40 and 199,315.30 is: 298,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,503.60 : 498,755.40 = 199,315.30 : x
  2. Step 2: Convert to fraction form
    332,503.60/498,755.40 = 199,315.30/x
  3. Step 3: Cross multiply
    332,503.60x = 498,755.40 × 199,315.30
  4. Step 4: Simplify right side
    332,503.60x = 99,409,582,177.62
  5. Step 5: Solve for x
    x = 99,409,582,177.62/332,503.60
  6. Step 6: Final answer
    x = 298,972.95

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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.