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Finding the Fourth Proportional to 222,743.70, 334,115.55 and 220,410.90

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Solution

The fourth proportional to 222,743.70, 334,115.55 and 220,410.90 is: 330,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,743.70 : 334,115.55 = 220,410.90 : x
  2. Step 2: Convert to fraction form
    222,743.70/334,115.55 = 220,410.90/x
  3. Step 3: Cross multiply
    222,743.70x = 334,115.55 × 220,410.90
  4. Step 4: Simplify right side
    222,743.70x = 73,642,709,079.50
  5. Step 5: Solve for x
    x = 73,642,709,079.50/222,743.70
  6. Step 6: Final answer
    x = 330,616.35

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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.