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Finding the Fourth Proportional to 403,882.92, 605,532.78 and 123,247.08

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Solution

The fourth proportional to 403,882.92, 605,532.78 and 123,247.08 is: 184,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,882.92 : 605,532.78 = 123,247.08 : x
  2. Step 2: Convert to fraction form
    403,882.92/605,532.78 = 123,247.08/x
  3. Step 3: Cross multiply
    403,882.92x = 605,532.78 × 123,247.08
  4. Step 4: Simplify right side
    403,882.92x = 74,630,146,979.28
  5. Step 5: Solve for x
    x = 74,630,146,979.28/403,882.92
  6. Step 6: Final answer
    x = 184,781.64

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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.