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Finding the Fourth Proportional to 344,463.62, 516,416.60 and 107,684.42

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Solution

The fourth proportional to 344,463.62, 516,416.60 and 107,684.42 is: 161,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,463.62 : 516,416.60 = 107,684.42 : x
  2. Step 2: Convert to fraction form
    344,463.62/516,416.60 = 107,684.42/x
  3. Step 3: Cross multiply
    344,463.62x = 516,416.60 × 107,684.42
  4. Step 4: Simplify right side
    344,463.62x = 55,610,022,049.37
  5. Step 5: Solve for x
    x = 55,610,022,049.37/344,463.62
  6. Step 6: Final answer
    x = 161,439.46

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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.