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Finding the Fourth Proportional to 322,476.48, 483,719.60 and 122,807.92

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Solution

The fourth proportional to 322,476.48, 483,719.60 and 122,807.92 is: 184,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,476.48 : 483,719.60 = 122,807.92 : x
  2. Step 2: Convert to fraction form
    322,476.48/483,719.60 = 122,807.92/x
  3. Step 3: Cross multiply
    322,476.48x = 483,719.60 × 122,807.92
  4. Step 4: Simplify right side
    322,476.48x = 59,404,597,939.23
  5. Step 5: Solve for x
    x = 59,404,597,939.23/322,476.48
  6. Step 6: Final answer
    x = 184,213.74

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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.