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Finding the Fourth Proportional to 463,121.28, 694,538.28 and 163,532.88

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Solution

The fourth proportional to 463,121.28, 694,538.28 and 163,532.88 is: 245,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,121.28 : 694,538.28 = 163,532.88 : x
  2. Step 2: Convert to fraction form
    463,121.28/694,538.28 = 163,532.88/x
  3. Step 3: Cross multiply
    463,121.28x = 694,538.28 × 163,532.88
  4. Step 4: Simplify right side
    463,121.28x = 113,579,845,198.65
  5. Step 5: Solve for x
    x = 113,579,845,198.65/463,121.28
  6. Step 6: Final answer
    x = 245,248.60

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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.