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Finding the Fourth Proportional to 348,799.78, 481,489.95 and 235,775.62

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Solution

The fourth proportional to 348,799.78, 481,489.95 and 235,775.62 is: 325,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,799.78 : 481,489.95 = 235,775.62 : x
  2. Step 2: Convert to fraction form
    348,799.78/481,489.95 = 235,775.62/x
  3. Step 3: Cross multiply
    348,799.78x = 481,489.95 × 235,775.62
  4. Step 4: Simplify right side
    348,799.78x = 113,523,591,485.02
  5. Step 5: Solve for x
    x = 113,523,591,485.02/348,799.78
  6. Step 6: Final answer
    x = 325,469.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.