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Finding the Fourth Proportional to 443,912.97, 612,458.91 and 262,687.23

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Solution

The fourth proportional to 443,912.97, 612,458.91 and 262,687.23 is: 362,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,912.97 : 612,458.91 = 262,687.23 : x
  2. Step 2: Convert to fraction form
    443,912.97/612,458.91 = 262,687.23/x
  3. Step 3: Cross multiply
    443,912.97x = 612,458.91 × 262,687.23
  4. Step 4: Simplify right side
    443,912.97x = 160,885,134,556.72
  5. Step 5: Solve for x
    x = 160,885,134,556.72/443,912.97
  6. Step 6: Final answer
    x = 362,424.95

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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.