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Finding the Fourth Proportional to 499,219.70, 748,829.55 and 144,245.30

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Solution

The fourth proportional to 499,219.70, 748,829.55 and 144,245.30 is: 216,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,219.70 : 748,829.55 = 144,245.30 : x
  2. Step 2: Convert to fraction form
    499,219.70/748,829.55 = 144,245.30/x
  3. Step 3: Cross multiply
    499,219.70x = 748,829.55 × 144,245.30
  4. Step 4: Simplify right side
    499,219.70x = 108,015,143,088.62
  5. Step 5: Solve for x
    x = 108,015,143,088.62/499,219.70
  6. Step 6: Final answer
    x = 216,367.95

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Similar ratio
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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.