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Finding the Fourth Proportional to 403,454.89, 605,226.14 and 150,856.39

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Solution

The fourth proportional to 403,454.89, 605,226.14 and 150,856.39 is: 226,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,454.89 : 605,226.14 = 150,856.39 : x
  2. Step 2: Convert to fraction form
    403,454.89/605,226.14 = 150,856.39/x
  3. Step 3: Cross multiply
    403,454.89x = 605,226.14 × 150,856.39
  4. Step 4: Simplify right side
    403,454.89x = 91,302,226,833.62
  5. Step 5: Solve for x
    x = 91,302,226,833.62/403,454.89
  6. Step 6: Final answer
    x = 226,300.96

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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.