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Finding the Fourth Proportional to 1,047.93, 1,446.17 and 599.85

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Solution

The fourth proportional to 1,047.93, 1,446.17 and 599.85 is: 827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.93 : 1,446.17 = 599.85 : x
  2. Step 2: Convert to fraction form
    1,047.93/1,446.17 = 599.85/x
  3. Step 3: Cross multiply
    1,047.93x = 1,446.17 × 599.85
  4. Step 4: Simplify right side
    1,047.93x = 867,481.15
  5. Step 5: Solve for x
    x = 867,481.15/1,047.93
  6. Step 6: Final answer
    x = 827.80

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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.