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Finding the Fourth Proportional to 526,517.56, 726,591.49 and 284,799.39

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Solution

The fourth proportional to 526,517.56, 726,591.49 and 284,799.39 is: 393,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,517.56 : 726,591.49 = 284,799.39 : x
  2. Step 2: Convert to fraction form
    526,517.56/726,591.49 = 284,799.39/x
  3. Step 3: Cross multiply
    526,517.56x = 726,591.49 × 284,799.39
  4. Step 4: Simplify right side
    526,517.56x = 206,932,813,131.19
  5. Step 5: Solve for x
    x = 206,932,813,131.19/526,517.56
  6. Step 6: Final answer
    x = 393,021.67

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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.