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Finding the Fourth Proportional to 302,610.30, 453,915.45 and 269,432.70

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Solution

The fourth proportional to 302,610.30, 453,915.45 and 269,432.70 is: 404,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,610.30 : 453,915.45 = 269,432.70 : x
  2. Step 2: Convert to fraction form
    302,610.30/453,915.45 = 269,432.70/x
  3. Step 3: Cross multiply
    302,610.30x = 453,915.45 × 269,432.70
  4. Step 4: Simplify right side
    302,610.30x = 122,299,665,265.22
  5. Step 5: Solve for x
    x = 122,299,665,265.22/302,610.30
  6. Step 6: Final answer
    x = 404,149.05

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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.