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Finding the Fourth Proportional to 533,766.80, 800,650.20 and 510,730.40

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Solution

The fourth proportional to 533,766.80, 800,650.20 and 510,730.40 is: 766,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,766.80 : 800,650.20 = 510,730.40 : x
  2. Step 2: Convert to fraction form
    533,766.80/800,650.20 = 510,730.40/x
  3. Step 3: Cross multiply
    533,766.80x = 800,650.20 × 510,730.40
  4. Step 4: Simplify right side
    533,766.80x = 408,916,396,906.08
  5. Step 5: Solve for x
    x = 408,916,396,906.08/533,766.80
  6. Step 6: Final answer
    x = 766,095.60

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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.