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Finding the Fourth Proportional to 533,586.28, 800,943.26 and 521,538.92

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Solution

The fourth proportional to 533,586.28, 800,943.26 and 521,538.92 is: 782,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,586.28 : 800,943.26 = 521,538.92 : x
  2. Step 2: Convert to fraction form
    533,586.28/800,943.26 = 521,538.92/x
  3. Step 3: Cross multiply
    533,586.28x = 800,943.26 × 521,538.92
  4. Step 4: Simplify right side
    533,586.28x = 417,723,082,801.68
  5. Step 5: Solve for x
    x = 417,723,082,801.68/533,586.28
  6. Step 6: Final answer
    x = 782,859.49

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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.