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Finding the Fourth Proportional to 499,216.30, 748,824.45 and 496,105.90

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Solution

The fourth proportional to 499,216.30, 748,824.45 and 496,105.90 is: 744,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,216.30 : 748,824.45 = 496,105.90 : x
  2. Step 2: Convert to fraction form
    499,216.30/748,824.45 = 496,105.90/x
  3. Step 3: Cross multiply
    499,216.30x = 748,824.45 × 496,105.90
  4. Step 4: Simplify right side
    499,216.30x = 371,496,227,709.26
  5. Step 5: Solve for x
    x = 371,496,227,709.26/499,216.30
  6. Step 6: Final answer
    x = 744,158.85

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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.