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Finding the Fourth Proportional to 1,472.46, 2,208.68 and 498.56

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Solution

The fourth proportional to 1,472.46, 2,208.68 and 498.56 is: 747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.46 : 2,208.68 = 498.56 : x
  2. Step 2: Convert to fraction form
    1,472.46/2,208.68 = 498.56/x
  3. Step 3: Cross multiply
    1,472.46x = 2,208.68 × 498.56
  4. Step 4: Simplify right side
    1,472.46x = 1,101,145.96
  5. Step 5: Solve for x
    x = 1,101,145.96/1,472.46
  6. Step 6: Final answer
    x = 747.83

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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.