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Finding the Fourth Proportional to 533,346.60, 800,019.90 and 492,796.20

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Solution

The fourth proportional to 533,346.60, 800,019.90 and 492,796.20 is: 739,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,346.60 : 800,019.90 = 492,796.20 : x
  2. Step 2: Convert to fraction form
    533,346.60/800,019.90 = 492,796.20/x
  3. Step 3: Cross multiply
    533,346.60x = 800,019.90 × 492,796.20
  4. Step 4: Simplify right side
    533,346.60x = 394,246,766,644.38
  5. Step 5: Solve for x
    x = 394,246,766,644.38/533,346.60
  6. Step 6: Final answer
    x = 739,194.30

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Double scale
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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.