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Finding the Fourth Proportional to 508,003.12, 762,152.64 and 227,454.76

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Solution

The fourth proportional to 508,003.12, 762,152.64 and 227,454.76 is: 341,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,003.12 : 762,152.64 = 227,454.76 : x
  2. Step 2: Convert to fraction form
    508,003.12/762,152.64 = 227,454.76/x
  3. Step 3: Cross multiply
    508,003.12x = 762,152.64 × 227,454.76
  4. Step 4: Simplify right side
    508,003.12x = 173,355,245,814.57
  5. Step 5: Solve for x
    x = 173,355,245,814.57/508,003.12
  6. Step 6: Final answer
    x = 341,248.39

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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.