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Finding the Fourth Proportional to 609,861.26, 914,348 and 254,975.96

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Solution

The fourth proportional to 609,861.26, 914,348 and 254,975.96 is: 382,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,861.26 : 914,348 = 254,975.96 : x
  2. Step 2: Convert to fraction form
    609,861.26/914,348 = 254,975.96/x
  3. Step 3: Cross multiply
    609,861.26x = 914,348 × 254,975.96
  4. Step 4: Simplify right side
    609,861.26x = 233,136,759,074.08
  5. Step 5: Solve for x
    x = 233,136,759,074.08/609,861.26
  6. Step 6: Final answer
    x = 382,278.35

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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.