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Finding the Fourth Proportional to 267,302.58, 399,845.79 and 203,641.04

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Solution

The fourth proportional to 267,302.58, 399,845.79 and 203,641.04 is: 304,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,302.58 : 399,845.79 = 203,641.04 : x
  2. Step 2: Convert to fraction form
    267,302.58/399,845.79 = 203,641.04/x
  3. Step 3: Cross multiply
    267,302.58x = 399,845.79 × 203,641.04
  4. Step 4: Simplify right side
    267,302.58x = 81,425,010,515.99
  5. Step 5: Solve for x
    x = 81,425,010,515.99/267,302.58
  6. Step 6: Final answer
    x = 304,617.38

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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.