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Finding the Fourth Proportional to 2,306.76, 3,460.65 and 663.18

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Solution

The fourth proportional to 2,306.76, 3,460.65 and 663.18 is: 994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.76 : 3,460.65 = 663.18 : x
  2. Step 2: Convert to fraction form
    2,306.76/3,460.65 = 663.18/x
  3. Step 3: Cross multiply
    2,306.76x = 3,460.65 × 663.18
  4. Step 4: Simplify right side
    2,306.76x = 2,295,022.97
  5. Step 5: Solve for x
    x = 2,295,022.97/2,306.76
  6. Step 6: Final answer
    x = 994.91

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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.