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Finding the Fourth Proportional to 322,246.64, 444,700.14 and 179,020

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Solution

The fourth proportional to 322,246.64, 444,700.14 and 179,020 is: 247,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,246.64 : 444,700.14 = 179,020 : x
  2. Step 2: Convert to fraction form
    322,246.64/444,700.14 = 179,020/x
  3. Step 3: Cross multiply
    322,246.64x = 444,700.14 × 179,020
  4. Step 4: Simplify right side
    322,246.64x = 79,610,219,062.80
  5. Step 5: Solve for x
    x = 79,610,219,062.80/322,246.64
  6. Step 6: Final answer
    x = 247,047.48

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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.