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Finding the Fourth Proportional to 304,635.60, 455,916.60 and 267,310.80

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Solution

The fourth proportional to 304,635.60, 455,916.60 and 267,310.80 is: 400,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,635.60 : 455,916.60 = 267,310.80 : x
  2. Step 2: Convert to fraction form
    304,635.60/455,916.60 = 267,310.80/x
  3. Step 3: Cross multiply
    304,635.60x = 455,916.60 × 267,310.80
  4. Step 4: Simplify right side
    304,635.60x = 121,871,431,079.28
  5. Step 5: Solve for x
    x = 121,871,431,079.28/304,635.60
  6. Step 6: Final answer
    x = 400,056.43

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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.