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Finding the Fourth Proportional to 403,553.32, 605,119.78 and 150,625.79

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Solution

The fourth proportional to 403,553.32, 605,119.78 and 150,625.79 is: 225,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,553.32 : 605,119.78 = 150,625.79 : x
  2. Step 2: Convert to fraction form
    403,553.32/605,119.78 = 150,625.79/x
  3. Step 3: Cross multiply
    403,553.32x = 605,119.78 × 150,625.79
  4. Step 4: Simplify right side
    403,553.32x = 91,146,644,339.01
  5. Step 5: Solve for x
    x = 91,146,644,339.01/403,553.32
  6. Step 6: Final answer
    x = 225,860.23

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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.