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Finding the Fourth Proportional to 332,408.40, 498,701.70 and 132,868.95

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Solution

The fourth proportional to 332,408.40, 498,701.70 and 132,868.95 is: 199,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,408.40 : 498,701.70 = 132,868.95 : x
  2. Step 2: Convert to fraction form
    332,408.40/498,701.70 = 132,868.95/x
  3. Step 3: Cross multiply
    332,408.40x = 498,701.70 × 132,868.95
  4. Step 4: Simplify right side
    332,408.40x = 66,261,971,242.22
  5. Step 5: Solve for x
    x = 66,261,971,242.22/332,408.40
  6. Step 6: Final answer
    x = 199,339.04

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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.