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Finding the Fourth Proportional to 416,616.33, 574,929.99 and 225,630.48

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Solution

The fourth proportional to 416,616.33, 574,929.99 and 225,630.48 is: 311,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,616.33 : 574,929.99 = 225,630.48 : x
  2. Step 2: Convert to fraction form
    416,616.33/574,929.99 = 225,630.48/x
  3. Step 3: Cross multiply
    416,616.33x = 574,929.99 × 225,630.48
  4. Step 4: Simplify right side
    416,616.33x = 129,721,729,610.10
  5. Step 5: Solve for x
    x = 129,721,729,610.10/416,616.33
  6. Step 6: Final answer
    x = 311,369.77

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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.