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Finding the Fourth Proportional to 533,774.80, 800,662.20 and 510,738.40

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Solution

The fourth proportional to 533,774.80, 800,662.20 and 510,738.40 is: 766,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,774.80 : 800,662.20 = 510,738.40 : x
  2. Step 2: Convert to fraction form
    533,774.80/800,662.20 = 510,738.40/x
  3. Step 3: Cross multiply
    533,774.80x = 800,662.20 × 510,738.40
  4. Step 4: Simplify right side
    533,774.80x = 408,928,930,968.48
  5. Step 5: Solve for x
    x = 408,928,930,968.48/533,774.80
  6. Step 6: Final answer
    x = 766,107.60

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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.