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Finding the Fourth Proportional to 329,703.52, 494,486.08 and 92,990.85

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Solution

The fourth proportional to 329,703.52, 494,486.08 and 92,990.85 is: 139,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,703.52 : 494,486.08 = 92,990.85 : x
  2. Step 2: Convert to fraction form
    329,703.52/494,486.08 = 92,990.85/x
  3. Step 3: Cross multiply
    329,703.52x = 494,486.08 × 92,990.85
  4. Step 4: Simplify right side
    329,703.52x = 45,982,680,892.37
  5. Step 5: Solve for x
    x = 45,982,680,892.37/329,703.52
  6. Step 6: Final answer
    x = 139,466.76

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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.