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Finding the Fourth Proportional to 494,341.62, 682,189.86 and 267,987.12

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Solution

The fourth proportional to 494,341.62, 682,189.86 and 267,987.12 is: 369,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,341.62 : 682,189.86 = 267,987.12 : x
  2. Step 2: Convert to fraction form
    494,341.62/682,189.86 = 267,987.12/x
  3. Step 3: Cross multiply
    494,341.62x = 682,189.86 × 267,987.12
  4. Step 4: Simplify right side
    494,341.62x = 182,818,095,874.60
  5. Step 5: Solve for x
    x = 182,818,095,874.60/494,341.62
  6. Step 6: Final answer
    x = 369,821.37

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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.