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Finding the Fourth Proportional to 344,408.76, 516,650.67 and 116,868.69

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Solution

The fourth proportional to 344,408.76, 516,650.67 and 116,868.69 is: 175,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,408.76 : 516,650.67 = 116,868.69 : x
  2. Step 2: Convert to fraction form
    344,408.76/516,650.67 = 116,868.69/x
  3. Step 3: Cross multiply
    344,408.76x = 516,650.67 × 116,868.69
  4. Step 4: Simplify right side
    344,408.76x = 60,380,286,990.52
  5. Step 5: Solve for x
    x = 60,380,286,990.52/344,408.76
  6. Step 6: Final answer
    x = 175,315.77

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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.