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Finding the Fourth Proportional to 222,612.85, 307,252.16 and 204,679.45

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Solution

The fourth proportional to 222,612.85, 307,252.16 and 204,679.45 is: 282,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,612.85 : 307,252.16 = 204,679.45 : x
  2. Step 2: Convert to fraction form
    222,612.85/307,252.16 = 204,679.45/x
  3. Step 3: Cross multiply
    222,612.85x = 307,252.16 × 204,679.45
  4. Step 4: Simplify right side
    222,612.85x = 62,888,203,120.11
  5. Step 5: Solve for x
    x = 62,888,203,120.11/222,612.85
  6. Step 6: Final answer
    x = 282,500.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.