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Finding the Fourth Proportional to 322,314.13, 483,471.20 and 100,698.13

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Solution

The fourth proportional to 322,314.13, 483,471.20 and 100,698.13 is: 151,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,314.13 : 483,471.20 = 100,698.13 : x
  2. Step 2: Convert to fraction form
    322,314.13/483,471.20 = 100,698.13/x
  3. Step 3: Cross multiply
    322,314.13x = 483,471.20 × 100,698.13
  4. Step 4: Simplify right side
    322,314.13x = 48,684,645,748.86
  5. Step 5: Solve for x
    x = 48,684,645,748.86/322,314.13
  6. Step 6: Final answer
    x = 151,047.20

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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.