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Finding the Fourth Proportional to 299,538.52, 449,306.94 and 122,003.80

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Solution

The fourth proportional to 299,538.52, 449,306.94 and 122,003.80 is: 183,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,538.52 : 449,306.94 = 122,003.80 : x
  2. Step 2: Convert to fraction form
    299,538.52/449,306.94 = 122,003.80/x
  3. Step 3: Cross multiply
    299,538.52x = 449,306.94 × 122,003.80
  4. Step 4: Simplify right side
    299,538.52x = 54,817,154,046.37
  5. Step 5: Solve for x
    x = 54,817,154,046.37/299,538.52
  6. Step 6: Final answer
    x = 183,005.36

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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.