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Finding the Fourth Proportional to 389,484.75, 584,227.13 and 93,996.75

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Solution

The fourth proportional to 389,484.75, 584,227.13 and 93,996.75 is: 140,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,484.75 : 584,227.13 = 93,996.75 : x
  2. Step 2: Convert to fraction form
    389,484.75/584,227.13 = 93,996.75/x
  3. Step 3: Cross multiply
    389,484.75x = 584,227.13 × 93,996.75
  4. Step 4: Simplify right side
    389,484.75x = 54,915,451,011.84
  5. Step 5: Solve for x
    x = 54,915,451,011.84/389,484.75
  6. Step 6: Final answer
    x = 140,995.13

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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.