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Finding the Fourth Proportional to 222,005.20, 333,007.80 and 203,634.40

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Solution

The fourth proportional to 222,005.20, 333,007.80 and 203,634.40 is: 305,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,005.20 : 333,007.80 = 203,634.40 : x
  2. Step 2: Convert to fraction form
    222,005.20/333,007.80 = 203,634.40/x
  3. Step 3: Cross multiply
    222,005.20x = 333,007.80 × 203,634.40
  4. Step 4: Simplify right side
    222,005.20x = 67,811,843,548.32
  5. Step 5: Solve for x
    x = 67,811,843,548.32/222,005.20
  6. Step 6: Final answer
    x = 305,451.60

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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.