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Finding the Fourth Proportional to 322,253.39, 444,722.29 and 220,492.28

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Solution

The fourth proportional to 322,253.39, 444,722.29 and 220,492.28 is: 304,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,253.39 : 444,722.29 = 220,492.28 : x
  2. Step 2: Convert to fraction form
    322,253.39/444,722.29 = 220,492.28/x
  3. Step 3: Cross multiply
    322,253.39x = 444,722.29 × 220,492.28
  4. Step 4: Simplify right side
    322,253.39x = 98,057,829,465.31
  5. Step 5: Solve for x
    x = 98,057,829,465.31/322,253.39
  6. Step 6: Final answer
    x = 304,287.97

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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.