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Finding the Fourth Proportional to 344,280.98, 516,380.38 and 91,579.96

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Solution

The fourth proportional to 344,280.98, 516,380.38 and 91,579.96 is: 137,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,280.98 : 516,380.38 = 91,579.96 : x
  2. Step 2: Convert to fraction form
    344,280.98/516,380.38 = 91,579.96/x
  3. Step 3: Cross multiply
    344,280.98x = 516,380.38 × 91,579.96
  4. Step 4: Simplify right side
    344,280.98x = 47,290,093,025.28
  5. Step 5: Solve for x
    x = 47,290,093,025.28/344,280.98
  6. Step 6: Final answer
    x = 137,359.01

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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.