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Finding the Fourth Proportional to 222,554.76, 306,958.14 and 154,571.82

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Solution

The fourth proportional to 222,554.76, 306,958.14 and 154,571.82 is: 213,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,554.76 : 306,958.14 = 154,571.82 : x
  2. Step 2: Convert to fraction form
    222,554.76/306,958.14 = 154,571.82/x
  3. Step 3: Cross multiply
    222,554.76x = 306,958.14 × 154,571.82
  4. Step 4: Simplify right side
    222,554.76x = 47,447,078,363.61
  5. Step 5: Solve for x
    x = 47,447,078,363.61/222,554.76
  6. Step 6: Final answer
    x = 213,192.83

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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.