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Finding the Fourth Proportional to 496,309.20, 744,463.80 and 384,334.80

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Solution

The fourth proportional to 496,309.20, 744,463.80 and 384,334.80 is: 576,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,309.20 : 744,463.80 = 384,334.80 : x
  2. Step 2: Convert to fraction form
    496,309.20/744,463.80 = 384,334.80/x
  3. Step 3: Cross multiply
    496,309.20x = 744,463.80 × 384,334.80
  4. Step 4: Simplify right side
    496,309.20x = 286,123,345,680.24
  5. Step 5: Solve for x
    x = 286,123,345,680.24/496,309.20
  6. Step 6: Final answer
    x = 576,502.20

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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.