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Finding the Fourth Proportional to 302,575.80, 453,863.70 and 269,916.60

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Solution

The fourth proportional to 302,575.80, 453,863.70 and 269,916.60 is: 404,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,575.80 : 453,863.70 = 269,916.60 : x
  2. Step 2: Convert to fraction form
    302,575.80/453,863.70 = 269,916.60/x
  3. Step 3: Cross multiply
    302,575.80x = 453,863.70 × 269,916.60
  4. Step 4: Simplify right side
    302,575.80x = 122,505,346,767.42
  5. Step 5: Solve for x
    x = 122,505,346,767.42/302,575.80
  6. Step 6: Final answer
    x = 404,874.90

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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.