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Finding the Fourth Proportional to 220,324.33, 330,384.43 and 178,100.65

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Solution

The fourth proportional to 220,324.33, 330,384.43 and 178,100.65 is: 267,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,324.33 : 330,384.43 = 178,100.65 : x
  2. Step 2: Convert to fraction form
    220,324.33/330,384.43 = 178,100.65/x
  3. Step 3: Cross multiply
    220,324.33x = 330,384.43 × 178,100.65
  4. Step 4: Simplify right side
    220,324.33x = 58,841,681,732.88
  5. Step 5: Solve for x
    x = 58,841,681,732.88/220,324.33
  6. Step 6: Final answer
    x = 267,068.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.