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Finding the Fourth Proportional to 994.16, 1,371.95 and 546.04

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Solution

The fourth proportional to 994.16, 1,371.95 and 546.04 is: 753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.16 : 1,371.95 = 546.04 : x
  2. Step 2: Convert to fraction form
    994.16/1,371.95 = 546.04/x
  3. Step 3: Cross multiply
    994.16x = 1,371.95 × 546.04
  4. Step 4: Simplify right side
    994.16x = 749,135.47
  5. Step 5: Solve for x
    x = 749,135.47/994.16
  6. Step 6: Final answer
    x = 753.54

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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.