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Finding the Fourth Proportional to 1,449.97, 2,175.06 and 584.29

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Solution

The fourth proportional to 1,449.97, 2,175.06 and 584.29 is: 876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.97 : 2,175.06 = 584.29 : x
  2. Step 2: Convert to fraction form
    1,449.97/2,175.06 = 584.29/x
  3. Step 3: Cross multiply
    1,449.97x = 2,175.06 × 584.29
  4. Step 4: Simplify right side
    1,449.97x = 1,270,865.81
  5. Step 5: Solve for x
    x = 1,270,865.81/1,449.97
  6. Step 6: Final answer
    x = 876.48

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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.