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Finding the Fourth Proportional to 322,250.66, 483,341.96 and 85,617.26

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Solution

The fourth proportional to 322,250.66, 483,341.96 and 85,617.26 is: 128,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,250.66 : 483,341.96 = 85,617.26 : x
  2. Step 2: Convert to fraction form
    322,250.66/483,341.96 = 85,617.26/x
  3. Step 3: Cross multiply
    322,250.66x = 483,341.96 × 85,617.26
  4. Step 4: Simplify right side
    322,250.66x = 41,382,414,258.23
  5. Step 5: Solve for x
    x = 41,382,414,258.23/322,250.66
  6. Step 6: Final answer
    x = 128,416.85

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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.