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Finding the Fourth Proportional to 233,600.80, 349,882.80 and 192,128.80

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Solution

The fourth proportional to 233,600.80, 349,882.80 and 192,128.80 is: 287,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,600.80 : 349,882.80 = 192,128.80 : x
  2. Step 2: Convert to fraction form
    233,600.80/349,882.80 = 192,128.80/x
  3. Step 3: Cross multiply
    233,600.80x = 349,882.80 × 192,128.80
  4. Step 4: Simplify right side
    233,600.80x = 67,222,562,504.64
  5. Step 5: Solve for x
    x = 67,222,562,504.64/233,600.80
  6. Step 6: Final answer
    x = 287,766.83

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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.