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Finding the Fourth Proportional to 344,408.12, 516,333.52 and 107,628.92

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Solution

The fourth proportional to 344,408.12, 516,333.52 and 107,628.92 is: 161,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,408.12 : 516,333.52 = 107,628.92 : x
  2. Step 2: Convert to fraction form
    344,408.12/516,333.52 = 107,628.92/x
  3. Step 3: Cross multiply
    344,408.12x = 516,333.52 × 107,628.92
  4. Step 4: Simplify right side
    344,408.12x = 55,572,419,117.40
  5. Step 5: Solve for x
    x = 55,572,419,117.40/344,408.12
  6. Step 6: Final answer
    x = 161,356.30

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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.