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Finding the Fourth Proportional to 482,396.10, 665,708.40 and 267,556.02

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Solution

The fourth proportional to 482,396.10, 665,708.40 and 267,556.02 is: 369,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,396.10 : 665,708.40 = 267,556.02 : x
  2. Step 2: Convert to fraction form
    482,396.10/665,708.40 = 267,556.02/x
  3. Step 3: Cross multiply
    482,396.10x = 665,708.40 × 267,556.02
  4. Step 4: Simplify right side
    482,396.10x = 178,114,289,984.57
  5. Step 5: Solve for x
    x = 178,114,289,984.57/482,396.10
  6. Step 6: Final answer
    x = 369,228.30

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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.