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Finding the Fourth Proportional to 2,344.59, 3,516.92 and 613.22

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Solution

The fourth proportional to 2,344.59, 3,516.92 and 613.22 is: 919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.59 : 3,516.92 = 613.22 : x
  2. Step 2: Convert to fraction form
    2,344.59/3,516.92 = 613.22/x
  3. Step 3: Cross multiply
    2,344.59x = 3,516.92 × 613.22
  4. Step 4: Simplify right side
    2,344.59x = 2,156,643.97
  5. Step 5: Solve for x
    x = 2,156,643.97/2,344.59
  6. Step 6: Final answer
    x = 919.84

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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.