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Finding the Fourth Proportional to 338,610.44, 467,187.86 and 266,767.49

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Solution

The fourth proportional to 338,610.44, 467,187.86 and 266,767.49 is: 368,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,610.44 : 467,187.86 = 266,767.49 : x
  2. Step 2: Convert to fraction form
    338,610.44/467,187.86 = 266,767.49/x
  3. Step 3: Cross multiply
    338,610.44x = 467,187.86 × 266,767.49
  4. Step 4: Simplify right side
    338,610.44x = 124,630,529,100.90
  5. Step 5: Solve for x
    x = 124,630,529,100.90/338,610.44
  6. Step 6: Final answer
    x = 368,064.64

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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.