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Finding the Fourth Proportional to 2,306.79, 3,460.19 and 662.95

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Solution

The fourth proportional to 2,306.79, 3,460.19 and 662.95 is: 994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.79 : 3,460.19 = 662.95 : x
  2. Step 2: Convert to fraction form
    2,306.79/3,460.19 = 662.95/x
  3. Step 3: Cross multiply
    2,306.79x = 3,460.19 × 662.95
  4. Step 4: Simplify right side
    2,306.79x = 2,293,933.97
  5. Step 5: Solve for x
    x = 2,293,933.97/2,306.79
  6. Step 6: Final answer
    x = 994.43

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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.