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Finding the Fourth Proportional to 344,302.65, 516,454.38 and 107,646.57

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Solution

The fourth proportional to 344,302.65, 516,454.38 and 107,646.57 is: 161,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,302.65 : 516,454.38 = 107,646.57 : x
  2. Step 2: Convert to fraction form
    344,302.65/516,454.38 = 107,646.57/x
  3. Step 3: Cross multiply
    344,302.65x = 516,454.38 × 107,646.57
  4. Step 4: Simplify right side
    344,302.65x = 55,594,542,568.48
  5. Step 5: Solve for x
    x = 55,594,542,568.48/344,302.65
  6. Step 6: Final answer
    x = 161,469.98

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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.