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Finding the Fourth Proportional to 266,469.19, 367,728.43 and 145,610.47

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Solution

The fourth proportional to 266,469.19, 367,728.43 and 145,610.47 is: 200,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,469.19 : 367,728.43 = 145,610.47 : x
  2. Step 2: Convert to fraction form
    266,469.19/367,728.43 = 145,610.47/x
  3. Step 3: Cross multiply
    266,469.19x = 367,728.43 × 145,610.47
  4. Step 4: Simplify right side
    266,469.19x = 53,545,109,524.66
  5. Step 5: Solve for x
    x = 53,545,109,524.66/266,469.19
  6. Step 6: Final answer
    x = 200,942.97

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1.5x scale

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.