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Finding the Fourth Proportional to 1,175.93, 1,764.14 and 354.13

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Solution

The fourth proportional to 1,175.93, 1,764.14 and 354.13 is: 531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.93 : 1,764.14 = 354.13 : x
  2. Step 2: Convert to fraction form
    1,175.93/1,764.14 = 354.13/x
  3. Step 3: Cross multiply
    1,175.93x = 1,764.14 × 354.13
  4. Step 4: Simplify right side
    1,175.93x = 624,734.90
  5. Step 5: Solve for x
    x = 624,734.90/1,175.93
  6. Step 6: Final answer
    x = 531.27

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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.