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Finding the Fourth Proportional to 322,164.59, 444,635.60 and 231,819.62

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Solution

The fourth proportional to 322,164.59, 444,635.60 and 231,819.62 is: 319,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,164.59 : 444,635.60 = 231,819.62 : x
  2. Step 2: Convert to fraction form
    322,164.59/444,635.60 = 231,819.62/x
  3. Step 3: Cross multiply
    322,164.59x = 444,635.60 × 231,819.62
  4. Step 4: Simplify right side
    322,164.59x = 103,075,254,186.84
  5. Step 5: Solve for x
    x = 103,075,254,186.84/322,164.59
  6. Step 6: Final answer
    x = 319,945.95

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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.