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Finding the Fourth Proportional to 845.92, 1,167.56 and 546.94

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Solution

The fourth proportional to 845.92, 1,167.56 and 546.94 is: 754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.92 : 1,167.56 = 546.94 : x
  2. Step 2: Convert to fraction form
    845.92/1,167.56 = 546.94/x
  3. Step 3: Cross multiply
    845.92x = 1,167.56 × 546.94
  4. Step 4: Simplify right side
    845.92x = 638,585.27
  5. Step 5: Solve for x
    x = 638,585.27/845.92
  6. Step 6: Final answer
    x = 754.90

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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.