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Finding the Fourth Proportional to 344,392.40, 516,759.96 and 230,616.56

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Solution

The fourth proportional to 344,392.40, 516,759.96 and 230,616.56 is: 346,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,392.40 : 516,759.96 = 230,616.56 : x
  2. Step 2: Convert to fraction form
    344,392.40/516,759.96 = 230,616.56/x
  3. Step 3: Cross multiply
    344,392.40x = 516,759.96 × 230,616.56
  4. Step 4: Simplify right side
    344,392.40x = 119,173,404,320.94
  5. Step 5: Solve for x
    x = 119,173,404,320.94/344,392.40
  6. Step 6: Final answer
    x = 346,039.59

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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.