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Finding the Fourth Proportional to 699.97, 1,049.41 and 237.48

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Solution

The fourth proportional to 699.97, 1,049.41 and 237.48 is: 356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.97 : 1,049.41 = 237.48 : x
  2. Step 2: Convert to fraction form
    699.97/1,049.41 = 237.48/x
  3. Step 3: Cross multiply
    699.97x = 1,049.41 × 237.48
  4. Step 4: Simplify right side
    699.97x = 249,213.89
  5. Step 5: Solve for x
    x = 249,213.89/699.97
  6. Step 6: Final answer
    x = 356.04

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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.