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Finding the Fourth Proportional to 329,458.91, 494,219.15 and 92,801.21

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Solution

The fourth proportional to 329,458.91, 494,219.15 and 92,801.21 is: 139,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,458.91 : 494,219.15 = 92,801.21 : x
  2. Step 2: Convert to fraction form
    329,458.91/494,219.15 = 92,801.21/x
  3. Step 3: Cross multiply
    329,458.91x = 494,219.15 × 92,801.21
  4. Step 4: Simplify right side
    329,458.91x = 45,864,135,125.17
  5. Step 5: Solve for x
    x = 45,864,135,125.17/329,458.91
  6. Step 6: Final answer
    x = 139,210.49

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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.