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Finding the Fourth Proportional to 266,348.30, 367,546.59 and 145,487.84

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Solution

The fourth proportional to 266,348.30, 367,546.59 and 145,487.84 is: 200,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,348.30 : 367,546.59 = 145,487.84 : x
  2. Step 2: Convert to fraction form
    266,348.30/367,546.59 = 145,487.84/x
  3. Step 3: Cross multiply
    266,348.30x = 367,546.59 × 145,487.84
  4. Step 4: Simplify right side
    266,348.30x = 53,473,557,640.73
  5. Step 5: Solve for x
    x = 53,473,557,640.73/266,348.30
  6. Step 6: Final answer
    x = 200,765.53

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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.