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Finding the Fourth Proportional to 272,057.20, 408,085.80 and 241,730.80

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Solution

The fourth proportional to 272,057.20, 408,085.80 and 241,730.80 is: 362,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,057.20 : 408,085.80 = 241,730.80 : x
  2. Step 2: Convert to fraction form
    272,057.20/408,085.80 = 241,730.80/x
  3. Step 3: Cross multiply
    272,057.20x = 408,085.80 × 241,730.80
  4. Step 4: Simplify right side
    272,057.20x = 98,646,906,902.64
  5. Step 5: Solve for x
    x = 98,646,906,902.64/272,057.20
  6. Step 6: Final answer
    x = 362,596.20

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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.