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Finding the Fourth Proportional to 322,211.78, 444,605.37 and 178,973.06

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Solution

The fourth proportional to 322,211.78, 444,605.37 and 178,973.06 is: 246,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,211.78 : 444,605.37 = 178,973.06 : x
  2. Step 2: Convert to fraction form
    322,211.78/444,605.37 = 178,973.06/x
  3. Step 3: Cross multiply
    322,211.78x = 444,605.37 × 178,973.06
  4. Step 4: Simplify right side
    322,211.78x = 79,572,383,561.33
  5. Step 5: Solve for x
    x = 79,572,383,561.33/322,211.78
  6. Step 6: Final answer
    x = 246,956.78

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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.