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Finding the Fourth Proportional to 222,431.88, 305,960.52 and 195,073.32

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Solution

The fourth proportional to 222,431.88, 305,960.52 and 195,073.32 is: 268,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,431.88 : 305,960.52 = 195,073.32 : x
  2. Step 2: Convert to fraction form
    222,431.88/305,960.52 = 195,073.32/x
  3. Step 3: Cross multiply
    222,431.88x = 305,960.52 × 195,073.32
  4. Step 4: Simplify right side
    222,431.88x = 59,684,734,425.33
  5. Step 5: Solve for x
    x = 59,684,734,425.33/222,431.88
  6. Step 6: Final answer
    x = 268,328.15

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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.