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Finding the Fourth Proportional to 322,315.20, 444,657.20 and 201,374.10

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Solution

The fourth proportional to 322,315.20, 444,657.20 and 201,374.10 is: 277,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,315.20 : 444,657.20 = 201,374.10 : x
  2. Step 2: Convert to fraction form
    322,315.20/444,657.20 = 201,374.10/x
  3. Step 3: Cross multiply
    322,315.20x = 444,657.20 × 201,374.10
  4. Step 4: Simplify right side
    322,315.20x = 89,542,442,451.65
  5. Step 5: Solve for x
    x = 89,542,442,451.65/322,315.20
  6. Step 6: Final answer
    x = 277,810.18

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1.5x scale

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.