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Finding the Fourth Proportional to 416,793.44, 575,174.16 and 225,812

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Solution

The fourth proportional to 416,793.44, 575,174.16 and 225,812 is: 311,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,793.44 : 575,174.16 = 225,812 : x
  2. Step 2: Convert to fraction form
    416,793.44/575,174.16 = 225,812/x
  3. Step 3: Cross multiply
    416,793.44x = 575,174.16 × 225,812
  4. Step 4: Simplify right side
    416,793.44x = 129,881,227,417.92
  5. Step 5: Solve for x
    x = 129,881,227,417.92/416,793.44
  6. Step 6: Final answer
    x = 311,620.13

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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.