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Finding the Fourth Proportional to 296,469.20, 444,047.70 and 243,981.20

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Solution

The fourth proportional to 296,469.20, 444,047.70 and 243,981.20 is: 365,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,469.20 : 444,047.70 = 243,981.20 : x
  2. Step 2: Convert to fraction form
    296,469.20/444,047.70 = 243,981.20/x
  3. Step 3: Cross multiply
    296,469.20x = 444,047.70 × 243,981.20
  4. Step 4: Simplify right side
    296,469.20x = 108,339,290,703.24
  5. Step 5: Solve for x
    x = 108,339,290,703.24/296,469.20
  6. Step 6: Final answer
    x = 365,431.86

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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.