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Finding the Fourth Proportional to 482,229.79, 723,344.67 and 162,354.91

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Solution

The fourth proportional to 482,229.79, 723,344.67 and 162,354.91 is: 243,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,229.79 : 723,344.67 = 162,354.91 : x
  2. Step 2: Convert to fraction form
    482,229.79/723,344.67 = 162,354.91/x
  3. Step 3: Cross multiply
    482,229.79x = 723,344.67 × 162,354.91
  4. Step 4: Simplify right side
    482,229.79x = 117,438,558,796.83
  5. Step 5: Solve for x
    x = 117,438,558,796.83/482,229.79
  6. Step 6: Final answer
    x = 243,532.36

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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.