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Finding the Fourth Proportional to 344,073.57, 516,279.42 and 154,667.76

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Solution

The fourth proportional to 344,073.57, 516,279.42 and 154,667.76 is: 232,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,073.57 : 516,279.42 = 154,667.76 : x
  2. Step 2: Convert to fraction form
    344,073.57/516,279.42 = 154,667.76/x
  3. Step 3: Cross multiply
    344,073.57x = 516,279.42 × 154,667.76
  4. Step 4: Simplify right side
    344,073.57x = 79,851,781,425.50
  5. Step 5: Solve for x
    x = 79,851,781,425.50/344,073.57
  6. Step 6: Final answer
    x = 232,077.64

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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.