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Finding the Fourth Proportional to 311,454.59, 467,191.97 and 98,224.56

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Solution

The fourth proportional to 311,454.59, 467,191.97 and 98,224.56 is: 147,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,454.59 : 467,191.97 = 98,224.56 : x
  2. Step 2: Convert to fraction form
    311,454.59/467,191.97 = 98,224.56/x
  3. Step 3: Cross multiply
    311,454.59x = 467,191.97 × 98,224.56
  4. Step 4: Simplify right side
    311,454.59x = 45,889,725,566.00
  5. Step 5: Solve for x
    x = 45,889,725,566.00/311,454.59
  6. Step 6: Final answer
    x = 147,340.02

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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.