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Finding the Fourth Proportional to 222,007.70, 333,011.55 and 206,261.30

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Solution

The fourth proportional to 222,007.70, 333,011.55 and 206,261.30 is: 309,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,007.70 : 333,011.55 = 206,261.30 : x
  2. Step 2: Convert to fraction form
    222,007.70/333,011.55 = 206,261.30/x
  3. Step 3: Cross multiply
    222,007.70x = 333,011.55 × 206,261.30
  4. Step 4: Simplify right side
    222,007.70x = 68,687,395,218.02
  5. Step 5: Solve for x
    x = 68,687,395,218.02/222,007.70
  6. Step 6: Final answer
    x = 309,391.95

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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.