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Finding the Fourth Proportional to 526,168.28, 789,262.14 and 171,180.92

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Solution

The fourth proportional to 526,168.28, 789,262.14 and 171,180.92 is: 256,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,168.28 : 789,262.14 = 171,180.92 : x
  2. Step 2: Convert to fraction form
    526,168.28/789,262.14 = 171,180.92/x
  3. Step 3: Cross multiply
    526,168.28x = 789,262.14 × 171,180.92
  4. Step 4: Simplify right side
    526,168.28x = 135,106,619,246.37
  5. Step 5: Solve for x
    x = 135,106,619,246.37/526,168.28
  6. Step 6: Final answer
    x = 256,774.54

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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.