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Finding the Fourth Proportional to 408,584.75, 563,616.56 and 245,199.47

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Solution

The fourth proportional to 408,584.75, 563,616.56 and 245,199.47 is: 338,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,584.75 : 563,616.56 = 245,199.47 : x
  2. Step 2: Convert to fraction form
    408,584.75/563,616.56 = 245,199.47/x
  3. Step 3: Cross multiply
    408,584.75x = 563,616.56 × 245,199.47
  4. Step 4: Simplify right side
    408,584.75x = 138,198,479,590.14
  5. Step 5: Solve for x
    x = 138,198,479,590.14/408,584.75
  6. Step 6: Final answer
    x = 338,237.00

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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.