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Finding the Fourth Proportional to 267,429.60, 400,561.20 and 237,880.80

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Solution

The fourth proportional to 267,429.60, 400,561.20 and 237,880.80 is: 356,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,429.60 : 400,561.20 = 237,880.80 : x
  2. Step 2: Convert to fraction form
    267,429.60/400,561.20 = 237,880.80/x
  3. Step 3: Cross multiply
    267,429.60x = 400,561.20 × 237,880.80
  4. Step 4: Simplify right side
    267,429.60x = 95,285,818,704.96
  5. Step 5: Solve for x
    x = 95,285,818,704.96/267,429.60
  6. Step 6: Final answer
    x = 356,302.44

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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.