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Finding the Fourth Proportional to 1,182.62, 1,773.25 and 488.50

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Solution

The fourth proportional to 1,182.62, 1,773.25 and 488.50 is: 732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.62 : 1,773.25 = 488.50 : x
  2. Step 2: Convert to fraction form
    1,182.62/1,773.25 = 488.50/x
  3. Step 3: Cross multiply
    1,182.62x = 1,773.25 × 488.50
  4. Step 4: Simplify right side
    1,182.62x = 866,226.97
  5. Step 5: Solve for x
    x = 866,226.97/1,182.62
  6. Step 6: Final answer
    x = 732.46

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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.