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Finding the Fourth Proportional to 1,170.26, 1,754.17 and 476.65

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Solution

The fourth proportional to 1,170.26, 1,754.17 and 476.65 is: 714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.26 : 1,754.17 = 476.65 : x
  2. Step 2: Convert to fraction form
    1,170.26/1,754.17 = 476.65/x
  3. Step 3: Cross multiply
    1,170.26x = 1,754.17 × 476.65
  4. Step 4: Simplify right side
    1,170.26x = 836,125.13
  5. Step 5: Solve for x
    x = 836,125.13/1,170.26
  6. Step 6: Final answer
    x = 714.48

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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.