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Finding the Fourth Proportional to 533,891.40, 800,837.10 and 475,830.60

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Solution

The fourth proportional to 533,891.40, 800,837.10 and 475,830.60 is: 713,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,891.40 : 800,837.10 = 475,830.60 : x
  2. Step 2: Convert to fraction form
    533,891.40/800,837.10 = 475,830.60/x
  3. Step 3: Cross multiply
    533,891.40x = 800,837.10 × 475,830.60
  4. Step 4: Simplify right side
    533,891.40x = 381,062,797,795.26
  5. Step 5: Solve for x
    x = 381,062,797,795.26/533,891.40
  6. Step 6: Final answer
    x = 713,745.90

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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.