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Finding the Fourth Proportional to 322,349.43, 444,816.18 and 186,392.18

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Solution

The fourth proportional to 322,349.43, 444,816.18 and 186,392.18 is: 257,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,349.43 : 444,816.18 = 186,392.18 : x
  2. Step 2: Convert to fraction form
    322,349.43/444,816.18 = 186,392.18/x
  3. Step 3: Cross multiply
    322,349.43x = 444,816.18 × 186,392.18
  4. Step 4: Simplify right side
    322,349.43x = 82,910,257,489.47
  5. Step 5: Solve for x
    x = 82,910,257,489.47/322,349.43
  6. Step 6: Final answer
    x = 257,206.16

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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.