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Finding the Fourth Proportional to 1,149.41, 1,724.44 and 564.58

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Solution

The fourth proportional to 1,149.41, 1,724.44 and 564.58 is: 847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.41 : 1,724.44 = 564.58 : x
  2. Step 2: Convert to fraction form
    1,149.41/1,724.44 = 564.58/x
  3. Step 3: Cross multiply
    1,149.41x = 1,724.44 × 564.58
  4. Step 4: Simplify right side
    1,149.41x = 973,578.61
  5. Step 5: Solve for x
    x = 973,578.61/1,149.41
  6. Step 6: Final answer
    x = 847.03

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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.