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Finding the Fourth Proportional to 622,910.88, 934,661.92 and 323,232

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Solution

The fourth proportional to 622,910.88, 934,661.92 and 323,232 is: 485,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,910.88 : 934,661.92 = 323,232 : x
  2. Step 2: Convert to fraction form
    622,910.88/934,661.92 = 323,232/x
  3. Step 3: Cross multiply
    622,910.88x = 934,661.92 × 323,232
  4. Step 4: Simplify right side
    622,910.88x = 302,112,641,725.44
  5. Step 5: Solve for x
    x = 302,112,641,725.44/622,910.88
  6. Step 6: Final answer
    x = 485,001.39

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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.