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Finding the Fourth Proportional to 540,773.76, 811,171.56 and 166,796.80

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Solution

The fourth proportional to 540,773.76, 811,171.56 and 166,796.80 is: 250,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,773.76 : 811,171.56 = 166,796.80 : x
  2. Step 2: Convert to fraction form
    540,773.76/811,171.56 = 166,796.80/x
  3. Step 3: Cross multiply
    540,773.76x = 811,171.56 × 166,796.80
  4. Step 4: Simplify right side
    540,773.76x = 135,300,820,459.01
  5. Step 5: Solve for x
    x = 135,300,820,459.01/540,773.76
  6. Step 6: Final answer
    x = 250,198.57

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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.