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Finding the Fourth Proportional to 332,326.80, 498,490.20 and 299,149.20

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Solution

The fourth proportional to 332,326.80, 498,490.20 and 299,149.20 is: 448,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,326.80 : 498,490.20 = 299,149.20 : x
  2. Step 2: Convert to fraction form
    332,326.80/498,490.20 = 299,149.20/x
  3. Step 3: Cross multiply
    332,326.80x = 498,490.20 × 299,149.20
  4. Step 4: Simplify right side
    332,326.80x = 149,122,944,537.84
  5. Step 5: Solve for x
    x = 149,122,944,537.84/332,326.80
  6. Step 6: Final answer
    x = 448,723.80

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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.