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Finding the Fourth Proportional to 220,294.11, 303,932.34 and 152,286.51

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Solution

The fourth proportional to 220,294.11, 303,932.34 and 152,286.51 is: 210,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,294.11 : 303,932.34 = 152,286.51 : x
  2. Step 2: Convert to fraction form
    220,294.11/303,932.34 = 152,286.51/x
  3. Step 3: Cross multiply
    220,294.11x = 303,932.34 × 152,286.51
  4. Step 4: Simplify right side
    220,294.11x = 46,284,795,334.73
  5. Step 5: Solve for x
    x = 46,284,795,334.73/220,294.11
  6. Step 6: Final answer
    x = 210,104.55

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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.