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Finding the Fourth Proportional to 755.91, 1,042.79 and 441.14

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Solution

The fourth proportional to 755.91, 1,042.79 and 441.14 is: 608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.91 : 1,042.79 = 441.14 : x
  2. Step 2: Convert to fraction form
    755.91/1,042.79 = 441.14/x
  3. Step 3: Cross multiply
    755.91x = 1,042.79 × 441.14
  4. Step 4: Simplify right side
    755.91x = 460,008.96
  5. Step 5: Solve for x
    x = 460,008.96/755.91
  6. Step 6: Final answer
    x = 608.55

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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.