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Finding the Fourth Proportional to 482,448.40, 723,672.60 and 216,727.90

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Solution

The fourth proportional to 482,448.40, 723,672.60 and 216,727.90 is: 325,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,448.40 : 723,672.60 = 216,727.90 : x
  2. Step 2: Convert to fraction form
    482,448.40/723,672.60 = 216,727.90/x
  3. Step 3: Cross multiply
    482,448.40x = 723,672.60 × 216,727.90
  4. Step 4: Simplify right side
    482,448.40x = 156,840,042,885.54
  5. Step 5: Solve for x
    x = 156,840,042,885.54/482,448.40
  6. Step 6: Final answer
    x = 325,091.85

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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.