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Finding the Fourth Proportional to 1,047.98, 1,446.24 and 605.92

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Solution

The fourth proportional to 1,047.98, 1,446.24 and 605.92 is: 836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.98 : 1,446.24 = 605.92 : x
  2. Step 2: Convert to fraction form
    1,047.98/1,446.24 = 605.92/x
  3. Step 3: Cross multiply
    1,047.98x = 1,446.24 × 605.92
  4. Step 4: Simplify right side
    1,047.98x = 876,305.74
  5. Step 5: Solve for x
    x = 876,305.74/1,047.98
  6. Step 6: Final answer
    x = 836.19

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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.