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Finding the Fourth Proportional to 403,774.72, 605,767.22 and 151,074.97

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Solution

The fourth proportional to 403,774.72, 605,767.22 and 151,074.97 is: 226,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,774.72 : 605,767.22 = 151,074.97 : x
  2. Step 2: Convert to fraction form
    403,774.72/605,767.22 = 151,074.97/x
  3. Step 3: Cross multiply
    403,774.72x = 605,767.22 × 151,074.97
  4. Step 4: Simplify right side
    403,774.72x = 91,516,264,588.48
  5. Step 5: Solve for x
    x = 91,516,264,588.48/403,774.72
  6. Step 6: Final answer
    x = 226,651.79

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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.