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Finding the Fourth Proportional to 344,494.89, 516,627.36 and 144,778.05

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Solution

The fourth proportional to 344,494.89, 516,627.36 and 144,778.05 is: 217,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,494.89 : 516,627.36 = 144,778.05 : x
  2. Step 2: Convert to fraction form
    344,494.89/516,627.36 = 144,778.05/x
  3. Step 3: Cross multiply
    344,494.89x = 516,627.36 × 144,778.05
  4. Step 4: Simplify right side
    344,494.89x = 74,796,301,757.45
  5. Step 5: Solve for x
    x = 74,796,301,757.45/344,494.89
  6. Step 6: Final answer
    x = 217,118.76

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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.