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Finding the Fourth Proportional to 526,119.25, 789,180.52 and 147,037.48

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Solution

The fourth proportional to 526,119.25, 789,180.52 and 147,037.48 is: 220,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,119.25 : 789,180.52 = 147,037.48 : x
  2. Step 2: Convert to fraction form
    526,119.25/789,180.52 = 147,037.48/x
  3. Step 3: Cross multiply
    526,119.25x = 789,180.52 × 147,037.48
  4. Step 4: Simplify right side
    526,119.25x = 116,039,113,755.62
  5. Step 5: Solve for x
    x = 116,039,113,755.62/526,119.25
  6. Step 6: Final answer
    x = 220,556.68

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Similar ratio
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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.