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Finding the Fourth Proportional to 216,600.44, 299,049.56 and 193,900.72

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Solution

The fourth proportional to 216,600.44, 299,049.56 and 193,900.72 is: 267,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,600.44 : 299,049.56 = 193,900.72 : x
  2. Step 2: Convert to fraction form
    216,600.44/299,049.56 = 193,900.72/x
  3. Step 3: Cross multiply
    216,600.44x = 299,049.56 × 193,900.72
  4. Step 4: Simplify right side
    216,600.44x = 57,985,924,999.68
  5. Step 5: Solve for x
    x = 57,985,924,999.68/216,600.44
  6. Step 6: Final answer
    x = 267,709.17

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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.