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Finding the Fourth Proportional to 496,301.70, 744,452.55 and 384,327.30

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Solution

The fourth proportional to 496,301.70, 744,452.55 and 384,327.30 is: 576,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,301.70 : 744,452.55 = 384,327.30 : x
  2. Step 2: Convert to fraction form
    496,301.70/744,452.55 = 384,327.30/x
  3. Step 3: Cross multiply
    496,301.70x = 744,452.55 × 384,327.30
  4. Step 4: Simplify right side
    496,301.70x = 286,113,438,519.62
  5. Step 5: Solve for x
    x = 286,113,438,519.62/496,301.70
  6. Step 6: Final answer
    x = 576,490.95

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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.