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Finding the Fourth Proportional to 272,065.40, 408,098.10 and 231,824.60

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Solution

The fourth proportional to 272,065.40, 408,098.10 and 231,824.60 is: 347,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,065.40 : 408,098.10 = 231,824.60 : x
  2. Step 2: Convert to fraction form
    272,065.40/408,098.10 = 231,824.60/x
  3. Step 3: Cross multiply
    272,065.40x = 408,098.10 × 231,824.60
  4. Step 4: Simplify right side
    272,065.40x = 94,607,178,793.26
  5. Step 5: Solve for x
    x = 94,607,178,793.26/272,065.40
  6. Step 6: Final answer
    x = 347,736.90

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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.