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Finding the Fourth Proportional to 483,471.20, 725,206.80 and 151,047.20

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Solution

The fourth proportional to 483,471.20, 725,206.80 and 151,047.20 is: 226,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,471.20 : 725,206.80 = 151,047.20 : x
  2. Step 2: Convert to fraction form
    483,471.20/725,206.80 = 151,047.20/x
  3. Step 3: Cross multiply
    483,471.20x = 725,206.80 × 151,047.20
  4. Step 4: Simplify right side
    483,471.20x = 109,540,452,934.93
  5. Step 5: Solve for x
    x = 109,540,452,934.93/483,471.20
  6. Step 6: Final answer
    x = 226,570.79

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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.