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Finding the Fourth Proportional to 403,581.65, 605,162.16 and 150,654.11

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Solution

The fourth proportional to 403,581.65, 605,162.16 and 150,654.11 is: 225,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,581.65 : 605,162.16 = 150,654.11 : x
  2. Step 2: Convert to fraction form
    403,581.65/605,162.16 = 150,654.11/x
  3. Step 3: Cross multiply
    403,581.65x = 605,162.16 × 150,654.11
  4. Step 4: Simplify right side
    403,581.65x = 91,170,167,422.42
  5. Step 5: Solve for x
    x = 91,170,167,422.42/403,581.65
  6. Step 6: Final answer
    x = 225,902.66

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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.