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Finding the Fourth Proportional to 344,505.85, 516,233.90 and 176,019.37

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Solution

The fourth proportional to 344,505.85, 516,233.90 and 176,019.37 is: 263,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,505.85 : 516,233.90 = 176,019.37 : x
  2. Step 2: Convert to fraction form
    344,505.85/516,233.90 = 176,019.37/x
  3. Step 3: Cross multiply
    344,505.85x = 516,233.90 × 176,019.37
  4. Step 4: Simplify right side
    344,505.85x = 90,867,164,970.55
  5. Step 5: Solve for x
    x = 90,867,164,970.55/344,505.85
  6. Step 6: Final answer
    x = 263,760.88

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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.