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Finding the Fourth Proportional to 322,000.75, 483,001.13 and 100,384.75

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Solution

The fourth proportional to 322,000.75, 483,001.13 and 100,384.75 is: 150,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,000.75 : 483,001.13 = 100,384.75 : x
  2. Step 2: Convert to fraction form
    322,000.75/483,001.13 = 100,384.75/x
  3. Step 3: Cross multiply
    322,000.75x = 483,001.13 × 100,384.75
  4. Step 4: Simplify right side
    322,000.75x = 48,485,947,684.77
  5. Step 5: Solve for x
    x = 48,485,947,684.77/322,000.75
  6. Step 6: Final answer
    x = 150,577.13

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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.