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Finding the Fourth Proportional to 332,028.78, 458,199.78 and 188,797.61

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Solution

The fourth proportional to 332,028.78, 458,199.78 and 188,797.61 is: 260,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,028.78 : 458,199.78 = 188,797.61 : x
  2. Step 2: Convert to fraction form
    332,028.78/458,199.78 = 188,797.61/x
  3. Step 3: Cross multiply
    332,028.78x = 458,199.78 × 188,797.61
  4. Step 4: Simplify right side
    332,028.78x = 86,507,021,075.53
  5. Step 5: Solve for x
    x = 86,507,021,075.53/332,028.78
  6. Step 6: Final answer
    x = 260,540.73

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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.