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Finding the Fourth Proportional to 269,511.20, 404,461.20 and 151,056.80

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Solution

The fourth proportional to 269,511.20, 404,461.20 and 151,056.80 is: 226,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,511.20 : 404,461.20 = 151,056.80 : x
  2. Step 2: Convert to fraction form
    269,511.20/404,461.20 = 151,056.80/x
  3. Step 3: Cross multiply
    269,511.20x = 404,461.20 × 151,056.80
  4. Step 4: Simplify right side
    269,511.20x = 61,096,614,596.16
  5. Step 5: Solve for x
    x = 61,096,614,596.16/269,511.20
  6. Step 6: Final answer
    x = 226,694.16

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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.