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Finding the Fourth Proportional to 322,309.13, 483,463.69 and 100,693.13

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Solution

The fourth proportional to 322,309.13, 483,463.69 and 100,693.13 is: 151,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,309.13 : 483,463.69 = 100,693.13 : x
  2. Step 2: Convert to fraction form
    322,309.13/483,463.69 = 100,693.13/x
  3. Step 3: Cross multiply
    322,309.13x = 483,463.69 × 100,693.13
  4. Step 4: Simplify right side
    322,309.13x = 48,681,469,518.40
  5. Step 5: Solve for x
    x = 48,681,469,518.40/322,309.13
  6. Step 6: Final answer
    x = 151,039.69

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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.