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Finding the Fourth Proportional to 437,540.40, 656,310.60 and 367,556.40

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Solution

The fourth proportional to 437,540.40, 656,310.60 and 367,556.40 is: 551,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,540.40 : 656,310.60 = 367,556.40 : x
  2. Step 2: Convert to fraction form
    437,540.40/656,310.60 = 367,556.40/x
  3. Step 3: Cross multiply
    437,540.40x = 656,310.60 × 367,556.40
  4. Step 4: Simplify right side
    437,540.40x = 241,231,161,417.84
  5. Step 5: Solve for x
    x = 241,231,161,417.84/437,540.40
  6. Step 6: Final answer
    x = 551,334.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.