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Finding the Fourth Proportional to 732.12, 1,010.34 and 437.80

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Solution

The fourth proportional to 732.12, 1,010.34 and 437.80 is: 604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.12 : 1,010.34 = 437.80 : x
  2. Step 2: Convert to fraction form
    732.12/1,010.34 = 437.80/x
  3. Step 3: Cross multiply
    732.12x = 1,010.34 × 437.80
  4. Step 4: Simplify right side
    732.12x = 442,326.85
  5. Step 5: Solve for x
    x = 442,326.85/732.12
  6. Step 6: Final answer
    x = 604.17

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