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Finding the Fourth Proportional to 609,194.62, 914,630.48 and 309,877.75

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Solution

The fourth proportional to 609,194.62, 914,630.48 and 309,877.75 is: 465,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,194.62 : 914,630.48 = 309,877.75 : x
  2. Step 2: Convert to fraction form
    609,194.62/914,630.48 = 309,877.75/x
  3. Step 3: Cross multiply
    609,194.62x = 914,630.48 × 309,877.75
  4. Step 4: Simplify right side
    609,194.62x = 283,423,635,223.82
  5. Step 5: Solve for x
    x = 283,423,635,223.82/609,194.62
  6. Step 6: Final answer
    x = 465,243.17

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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.