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Finding the Fourth Proportional to 609,104.26, 914,554.54 and 339,758.63

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Solution

The fourth proportional to 609,104.26, 914,554.54 and 339,758.63 is: 510,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,104.26 : 914,554.54 = 339,758.63 : x
  2. Step 2: Convert to fraction form
    609,104.26/914,554.54 = 339,758.63/x
  3. Step 3: Cross multiply
    609,104.26x = 914,554.54 × 339,758.63
  4. Step 4: Simplify right side
    609,104.26x = 310,727,793,324.43
  5. Step 5: Solve for x
    x = 310,727,793,324.43/609,104.26
  6. Step 6: Final answer
    x = 510,138.93

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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.