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Finding the Fourth Proportional to 1,169.60, 1,754.44 and 476.29

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Solution

The fourth proportional to 1,169.60, 1,754.44 and 476.29 is: 714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.60 : 1,754.44 = 476.29 : x
  2. Step 2: Convert to fraction form
    1,169.60/1,754.44 = 476.29/x
  3. Step 3: Cross multiply
    1,169.60x = 1,754.44 × 476.29
  4. Step 4: Simplify right side
    1,169.60x = 835,622.23
  5. Step 5: Solve for x
    x = 835,622.23/1,169.60
  6. Step 6: Final answer
    x = 714.45

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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.