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Finding the Fourth Proportional to 467,146.22, 644,661.72 and 252,286.25

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Solution

The fourth proportional to 467,146.22, 644,661.72 and 252,286.25 is: 348,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,146.22 : 644,661.72 = 252,286.25 : x
  2. Step 2: Convert to fraction form
    467,146.22/644,661.72 = 252,286.25/x
  3. Step 3: Cross multiply
    467,146.22x = 644,661.72 × 252,286.25
  4. Step 4: Simplify right side
    467,146.22x = 162,639,284,634.04
  5. Step 5: Solve for x
    x = 162,639,284,634.04/467,146.22
  6. Step 6: Final answer
    x = 348,154.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.