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Finding the Fourth Proportional to 332,314.70, 498,472.05 and 191,909.30

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Solution

The fourth proportional to 332,314.70, 498,472.05 and 191,909.30 is: 287,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,314.70 : 498,472.05 = 191,909.30 : x
  2. Step 2: Convert to fraction form
    332,314.70/498,472.05 = 191,909.30/x
  3. Step 3: Cross multiply
    332,314.70x = 498,472.05 × 191,909.30
  4. Step 4: Simplify right side
    332,314.70x = 95,661,422,185.07
  5. Step 5: Solve for x
    x = 95,661,422,185.07/332,314.70
  6. Step 6: Final answer
    x = 287,863.95

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Similar ratio
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1.5x scale

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.