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Finding the Fourth Proportional to 216,391.96, 298,704.24 and 193,690.90

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Solution

The fourth proportional to 216,391.96, 298,704.24 and 193,690.90 is: 267,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,391.96 : 298,704.24 = 193,690.90 : x
  2. Step 2: Convert to fraction form
    216,391.96/298,704.24 = 193,690.90/x
  3. Step 3: Cross multiply
    216,391.96x = 298,704.24 × 193,690.90
  4. Step 4: Simplify right side
    216,391.96x = 57,856,293,079.42
  5. Step 5: Solve for x
    x = 57,856,293,079.42/216,391.96
  6. Step 6: Final answer
    x = 267,368.03

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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.