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Finding the Fourth Proportional to 403,727.04, 605,607.30 and 150,982.20

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Solution

The fourth proportional to 403,727.04, 605,607.30 and 150,982.20 is: 226,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,727.04 : 605,607.30 = 150,982.20 : x
  2. Step 2: Convert to fraction form
    403,727.04/605,607.30 = 150,982.20/x
  3. Step 3: Cross multiply
    403,727.04x = 605,607.30 × 150,982.20
  4. Step 4: Simplify right side
    403,727.04x = 91,435,922,490.06
  5. Step 5: Solve for x
    x = 91,435,922,490.06/403,727.04
  6. Step 6: Final answer
    x = 226,479.56

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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.