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Finding the Fourth Proportional to 329,432.70, 494,170.65 and 92,783.10

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Solution

The fourth proportional to 329,432.70, 494,170.65 and 92,783.10 is: 139,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,432.70 : 494,170.65 = 92,783.10 : x
  2. Step 2: Convert to fraction form
    329,432.70/494,170.65 = 92,783.10/x
  3. Step 3: Cross multiply
    329,432.70x = 494,170.65 × 92,783.10
  4. Step 4: Simplify right side
    329,432.70x = 45,850,684,836.02
  5. Step 5: Solve for x
    x = 45,850,684,836.02/329,432.70
  6. Step 6: Final answer
    x = 139,180.73

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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.