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Finding the Fourth Proportional to 323,763.35, 485,645.03 and 294,732.95

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Solution

The fourth proportional to 323,763.35, 485,645.03 and 294,732.95 is: 442,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,763.35 : 485,645.03 = 294,732.95 : x
  2. Step 2: Convert to fraction form
    323,763.35/485,645.03 = 294,732.95/x
  3. Step 3: Cross multiply
    323,763.35x = 485,645.03 × 294,732.95
  4. Step 4: Simplify right side
    323,763.35x = 143,135,590,871.07
  5. Step 5: Solve for x
    x = 143,135,590,871.07/323,763.35
  6. Step 6: Final answer
    x = 442,099.43

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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.