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Finding the Fourth Proportional to 609,257.68, 914,029.11 and 188,511.28

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Solution

The fourth proportional to 609,257.68, 914,029.11 and 188,511.28 is: 282,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,257.68 : 914,029.11 = 188,511.28 : x
  2. Step 2: Convert to fraction form
    609,257.68/914,029.11 = 188,511.28/x
  3. Step 3: Cross multiply
    609,257.68x = 914,029.11 × 188,511.28
  4. Step 4: Simplify right side
    609,257.68x = 172,304,797,483.36
  5. Step 5: Solve for x
    x = 172,304,797,483.36/609,257.68
  6. Step 6: Final answer
    x = 282,811.04

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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.