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Finding the Fourth Proportional to 533,728.20, 801,029.70 and 516,232.20

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Solution

The fourth proportional to 533,728.20, 801,029.70 and 516,232.20 is: 774,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,728.20 : 801,029.70 = 516,232.20 : x
  2. Step 2: Convert to fraction form
    533,728.20/801,029.70 = 516,232.20/x
  3. Step 3: Cross multiply
    533,728.20x = 801,029.70 × 516,232.20
  4. Step 4: Simplify right side
    533,728.20x = 413,517,324,296.34
  5. Step 5: Solve for x
    x = 413,517,324,296.34/533,728.20
  6. Step 6: Final answer
    x = 774,771.36

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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.