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Finding the Fourth Proportional to 348,958.50, 481,550.60 and 213,219.66

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Solution

The fourth proportional to 348,958.50, 481,550.60 and 213,219.66 is: 294,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,958.50 : 481,550.60 = 213,219.66 : x
  2. Step 2: Convert to fraction form
    348,958.50/481,550.60 = 213,219.66/x
  3. Step 3: Cross multiply
    348,958.50x = 481,550.60 × 213,219.66
  4. Step 4: Simplify right side
    348,958.50x = 102,676,055,204.80
  5. Step 5: Solve for x
    x = 102,676,055,204.80/348,958.50
  6. Step 6: Final answer
    x = 294,235.72

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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.