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Finding the Fourth Proportional to 222,747.20, 334,406.04 and 191,358.08

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Solution

The fourth proportional to 222,747.20, 334,406.04 and 191,358.08 is: 287,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747.20 : 334,406.04 = 191,358.08 : x
  2. Step 2: Convert to fraction form
    222,747.20/334,406.04 = 191,358.08/x
  3. Step 3: Cross multiply
    222,747.20x = 334,406.04 × 191,358.08
  4. Step 4: Simplify right side
    222,747.20x = 63,991,297,754.80
  5. Step 5: Solve for x
    x = 63,991,297,754.80/222,747.20
  6. Step 6: Final answer
    x = 287,282.16

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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.