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Finding the Fourth Proportional to 262,600.38, 361,882.89 and 190,866.78

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Solution

The fourth proportional to 262,600.38, 361,882.89 and 190,866.78 is: 263,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,600.38 : 361,882.89 = 190,866.78 : x
  2. Step 2: Convert to fraction form
    262,600.38/361,882.89 = 190,866.78/x
  3. Step 3: Cross multiply
    262,600.38x = 361,882.89 × 190,866.78
  4. Step 4: Simplify right side
    262,600.38x = 69,071,421,951.39
  5. Step 5: Solve for x
    x = 69,071,421,951.39/262,600.38
  6. Step 6: Final answer
    x = 263,028.64

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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.