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Finding the Fourth Proportional to 324,773.28, 448,244.16 and 188,849.28

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Solution

The fourth proportional to 324,773.28, 448,244.16 and 188,849.28 is: 260,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,773.28 : 448,244.16 = 188,849.28 : x
  2. Step 2: Convert to fraction form
    324,773.28/448,244.16 = 188,849.28/x
  3. Step 3: Cross multiply
    324,773.28x = 448,244.16 × 188,849.28
  4. Step 4: Simplify right side
    324,773.28x = 84,650,586,880.20
  5. Step 5: Solve for x
    x = 84,650,586,880.20/324,773.28
  6. Step 6: Final answer
    x = 260,645.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.