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Finding the Fourth Proportional to 322,192.65, 444,329.22 and 218,981.25

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Solution

The fourth proportional to 322,192.65, 444,329.22 and 218,981.25 is: 301,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,192.65 : 444,329.22 = 218,981.25 : x
  2. Step 2: Convert to fraction form
    322,192.65/444,329.22 = 218,981.25/x
  3. Step 3: Cross multiply
    322,192.65x = 444,329.22 × 218,981.25
  4. Step 4: Simplify right side
    322,192.65x = 97,299,768,007.13
  5. Step 5: Solve for x
    x = 97,299,768,007.13/322,192.65
  6. Step 6: Final answer
    x = 301,992.51

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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.