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Finding the Fourth Proportional to 404,571.80, 606,923.40 and 151,872.14

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Solution

The fourth proportional to 404,571.80, 606,923.40 and 151,872.14 is: 227,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,571.80 : 606,923.40 = 151,872.14 : x
  2. Step 2: Convert to fraction form
    404,571.80/606,923.40 = 151,872.14/x
  3. Step 3: Cross multiply
    404,571.80x = 606,923.40 × 151,872.14
  4. Step 4: Simplify right side
    404,571.80x = 92,174,755,574.08
  5. Step 5: Solve for x
    x = 92,174,755,574.08/404,571.80
  6. Step 6: Final answer
    x = 227,832.87

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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.