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Finding the Fourth Proportional to 344,459.86, 516,512.70 and 154,757.66

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Solution

The fourth proportional to 344,459.86, 516,512.70 and 154,757.66 is: 232,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,459.86 : 516,512.70 = 154,757.66 : x
  2. Step 2: Convert to fraction form
    344,459.86/516,512.70 = 154,757.66/x
  3. Step 3: Cross multiply
    344,459.86x = 516,512.70 × 154,757.66
  4. Step 4: Simplify right side
    344,459.86x = 79,934,294,229.72
  5. Step 5: Solve for x
    x = 79,934,294,229.72/344,459.86
  6. Step 6: Final answer
    x = 232,056.92

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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.