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Finding the Fourth Proportional to 222,403.20, 333,604.80 and 206,851.20

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Solution

The fourth proportional to 222,403.20, 333,604.80 and 206,851.20 is: 310,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,403.20 : 333,604.80 = 206,851.20 : x
  2. Step 2: Convert to fraction form
    222,403.20/333,604.80 = 206,851.20/x
  3. Step 3: Cross multiply
    222,403.20x = 333,604.80 × 206,851.20
  4. Step 4: Simplify right side
    222,403.20x = 69,006,553,205.76
  5. Step 5: Solve for x
    x = 69,006,553,205.76/222,403.20
  6. Step 6: Final answer
    x = 310,276.80

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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.