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Finding the Fourth Proportional to 609,862.26, 914,349.50 and 254,976.96

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Solution

The fourth proportional to 609,862.26, 914,349.50 and 254,976.96 is: 382,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,862.26 : 914,349.50 = 254,976.96 : x
  2. Step 2: Convert to fraction form
    609,862.26/914,349.50 = 254,976.96/x
  3. Step 3: Cross multiply
    609,862.26x = 914,349.50 × 254,976.96
  4. Step 4: Simplify right side
    609,862.26x = 233,138,055,887.52
  5. Step 5: Solve for x
    x = 233,138,055,887.52/609,862.26
  6. Step 6: Final answer
    x = 382,279.85

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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.