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Finding the Fourth Proportional to 1,034.31, 1,549.62 and 546.27

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Solution

The fourth proportional to 1,034.31, 1,549.62 and 546.27 is: 818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.31 : 1,549.62 = 546.27 : x
  2. Step 2: Convert to fraction form
    1,034.31/1,549.62 = 546.27/x
  3. Step 3: Cross multiply
    1,034.31x = 1,549.62 × 546.27
  4. Step 4: Simplify right side
    1,034.31x = 846,510.92
  5. Step 5: Solve for x
    x = 846,510.92/1,034.31
  6. Step 6: Final answer
    x = 818.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.