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Finding the Fourth Proportional to 732.74, 1,010.97 and 437.79

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Solution

The fourth proportional to 732.74, 1,010.97 and 437.79 is: 604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.74 : 1,010.97 = 437.79 : x
  2. Step 2: Convert to fraction form
    732.74/1,010.97 = 437.79/x
  3. Step 3: Cross multiply
    732.74x = 1,010.97 × 437.79
  4. Step 4: Simplify right side
    732.74x = 442,592.56
  5. Step 5: Solve for x
    x = 442,592.56/732.74
  6. Step 6: Final answer
    x = 604.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.