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Finding the Fourth Proportional to 322,197.69, 444,620.45 and 178,966.89

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Solution

The fourth proportional to 322,197.69, 444,620.45 and 178,966.89 is: 246,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,197.69 : 444,620.45 = 178,966.89 : x
  2. Step 2: Convert to fraction form
    322,197.69/444,620.45 = 178,966.89/x
  3. Step 3: Cross multiply
    322,197.69x = 444,620.45 × 178,966.89
  4. Step 4: Simplify right side
    322,197.69x = 79,572,338,272.07
  5. Step 5: Solve for x
    x = 79,572,338,272.07/322,197.69
  6. Step 6: Final answer
    x = 246,967.44

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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.