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Finding the Fourth Proportional to 322,668.60, 445,283.04 and 179,425.56

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Solution

The fourth proportional to 322,668.60, 445,283.04 and 179,425.56 is: 247,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,668.60 : 445,283.04 = 179,425.56 : x
  2. Step 2: Convert to fraction form
    322,668.60/445,283.04 = 179,425.56/x
  3. Step 3: Cross multiply
    322,668.60x = 445,283.04 × 179,425.56
  4. Step 4: Simplify right side
    322,668.60x = 79,895,158,810.50
  5. Step 5: Solve for x
    x = 79,895,158,810.50/322,668.60
  6. Step 6: Final answer
    x = 247,607.48

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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.