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Finding the Fourth Proportional to 403,799.82, 605,314.17 and 151,011.78

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Solution

The fourth proportional to 403,799.82, 605,314.17 and 151,011.78 is: 226,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,799.82 : 605,314.17 = 151,011.78 : x
  2. Step 2: Convert to fraction form
    403,799.82/605,314.17 = 151,011.78/x
  3. Step 3: Cross multiply
    403,799.82x = 605,314.17 × 151,011.78
  4. Step 4: Simplify right side
    403,799.82x = 91,409,570,270.92
  5. Step 5: Solve for x
    x = 91,409,570,270.92/403,799.82
  6. Step 6: Final answer
    x = 226,373.48

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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.