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Finding the Fourth Proportional to 611,906.88, 844,425.36 and 336,269.28

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Solution

The fourth proportional to 611,906.88, 844,425.36 and 336,269.28 is: 464,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,906.88 : 844,425.36 = 336,269.28 : x
  2. Step 2: Convert to fraction form
    611,906.88/844,425.36 = 336,269.28/x
  3. Step 3: Cross multiply
    611,906.88x = 844,425.36 × 336,269.28
  4. Step 4: Simplify right side
    611,906.88x = 283,954,307,820.94
  5. Step 5: Solve for x
    x = 283,954,307,820.94/611,906.88
  6. Step 6: Final answer
    x = 464,048.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.