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Finding the Fourth Proportional to 1,182.15, 1,773.27 and 488.93

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Solution

The fourth proportional to 1,182.15, 1,773.27 and 488.93 is: 733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.15 : 1,773.27 = 488.93 : x
  2. Step 2: Convert to fraction form
    1,182.15/1,773.27 = 488.93/x
  3. Step 3: Cross multiply
    1,182.15x = 1,773.27 × 488.93
  4. Step 4: Simplify right side
    1,182.15x = 866,996.03
  5. Step 5: Solve for x
    x = 866,996.03/1,182.15
  6. Step 6: Final answer
    x = 733.41

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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.