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Finding the Fourth Proportional to 373,847.36, 516,583.87 and 266,230.56

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Solution

The fourth proportional to 373,847.36, 516,583.87 and 266,230.56 is: 367,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,847.36 : 516,583.87 = 266,230.56 : x
  2. Step 2: Convert to fraction form
    373,847.36/516,583.87 = 266,230.56/x
  3. Step 3: Cross multiply
    373,847.36x = 516,583.87 × 266,230.56
  4. Step 4: Simplify right side
    373,847.36x = 137,530,412,997.07
  5. Step 5: Solve for x
    x = 137,530,412,997.07/373,847.36
  6. Step 6: Final answer
    x = 367,878.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.