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Finding the Fourth Proportional to 1,175.10, 1,763.38 and 444.58

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Solution

The fourth proportional to 1,175.10, 1,763.38 and 444.58 is: 667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.10 : 1,763.38 = 444.58 : x
  2. Step 2: Convert to fraction form
    1,175.10/1,763.38 = 444.58/x
  3. Step 3: Cross multiply
    1,175.10x = 1,763.38 × 444.58
  4. Step 4: Simplify right side
    1,175.10x = 783,963.48
  5. Step 5: Solve for x
    x = 783,963.48/1,175.10
  6. Step 6: Final answer
    x = 667.15

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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.