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Finding the Fourth Proportional to 972.73, 1,462.11 and 562.69

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Solution

The fourth proportional to 972.73, 1,462.11 and 562.69 is: 845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    972.73 : 1,462.11 = 562.69 : x
  2. Step 2: Convert to fraction form
    972.73/1,462.11 = 562.69/x
  3. Step 3: Cross multiply
    972.73x = 1,462.11 × 562.69
  4. Step 4: Simplify right side
    972.73x = 822,714.68
  5. Step 5: Solve for x
    x = 822,714.68/972.73
  6. Step 6: Final answer
    x = 845.78

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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.