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Finding the Fourth Proportional to 1,073.41, 1,610.10 and 343.04

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Solution

The fourth proportional to 1,073.41, 1,610.10 and 343.04 is: 514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.41 : 1,610.10 = 343.04 : x
  2. Step 2: Convert to fraction form
    1,073.41/1,610.10 = 343.04/x
  3. Step 3: Cross multiply
    1,073.41x = 1,610.10 × 343.04
  4. Step 4: Simplify right side
    1,073.41x = 552,328.70
  5. Step 5: Solve for x
    x = 552,328.70/1,073.41
  6. Step 6: Final answer
    x = 514.56

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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.