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Finding the Fourth Proportional to 336,061.20, 504,237.60 and 169,849.20

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Solution

The fourth proportional to 336,061.20, 504,237.60 and 169,849.20 is: 254,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,061.20 : 504,237.60 = 169,849.20 : x
  2. Step 2: Convert to fraction form
    336,061.20/504,237.60 = 169,849.20/x
  3. Step 3: Cross multiply
    336,061.20x = 504,237.60 × 169,849.20
  4. Step 4: Simplify right side
    336,061.20x = 85,644,352,969.92
  5. Step 5: Solve for x
    x = 85,644,352,969.92/336,061.20
  6. Step 6: Final answer
    x = 254,847.49

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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.