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Finding the Fourth Proportional to 482,556.90, 666,008.36 and 267,766.17

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Solution

The fourth proportional to 482,556.90, 666,008.36 and 267,766.17 is: 369,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,556.90 : 666,008.36 = 267,766.17 : x
  2. Step 2: Convert to fraction form
    482,556.90/666,008.36 = 267,766.17/x
  3. Step 3: Cross multiply
    482,556.90x = 666,008.36 × 267,766.17
  4. Step 4: Simplify right side
    482,556.90x = 178,334,504,410.88
  5. Step 5: Solve for x
    x = 178,334,504,410.88/482,556.90
  6. Step 6: Final answer
    x = 369,561.61

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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.