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Finding the Fourth Proportional to 299,484.40, 449,226.60 and 254,383.60

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Solution

The fourth proportional to 299,484.40, 449,226.60 and 254,383.60 is: 381,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,484.40 : 449,226.60 = 254,383.60 : x
  2. Step 2: Convert to fraction form
    299,484.40/449,226.60 = 254,383.60/x
  3. Step 3: Cross multiply
    299,484.40x = 449,226.60 × 254,383.60
  4. Step 4: Simplify right side
    299,484.40x = 114,275,879,723.76
  5. Step 5: Solve for x
    x = 114,275,879,723.76/299,484.40
  6. Step 6: Final answer
    x = 381,575.40

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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.