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Finding the Fourth Proportional to 329,905.99, 494,850.33 and 105,280.13

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Solution

The fourth proportional to 329,905.99, 494,850.33 and 105,280.13 is: 157,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,905.99 : 494,850.33 = 105,280.13 : x
  2. Step 2: Convert to fraction form
    329,905.99/494,850.33 = 105,280.13/x
  3. Step 3: Cross multiply
    329,905.99x = 494,850.33 × 105,280.13
  4. Step 4: Simplify right side
    329,905.99x = 52,097,906,474.15
  5. Step 5: Solve for x
    x = 52,097,906,474.15/329,905.99
  6. Step 6: Final answer
    x = 157,917.43

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1.5x scale

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.