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Finding the Fourth Proportional to 498, 746.97 and 469.47

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Solution

The fourth proportional to 498, 746.97 and 469.47 is: 704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    498 : 746.97 = 469.47 : x
  2. Step 2: Convert to fraction form
    498/746.97 = 469.47/x
  3. Step 3: Cross multiply
    498x = 746.97 × 469.47
  4. Step 4: Simplify right side
    498x = 350,680.01
  5. Step 5: Solve for x
    x = 350,680.01/498
  6. Step 6: Final answer
    x = 704.18

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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.