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Finding the Fourth Proportional to 701,743.20, 968,404.92 and 379,452.53

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Solution

The fourth proportional to 701,743.20, 968,404.92 and 379,452.53 is: 523,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,743.20 : 968,404.92 = 379,452.53 : x
  2. Step 2: Convert to fraction form
    701,743.20/968,404.92 = 379,452.53/x
  3. Step 3: Cross multiply
    701,743.20x = 968,404.92 × 379,452.53
  4. Step 4: Simplify right side
    701,743.20x = 367,463,692,116.42
  5. Step 5: Solve for x
    x = 367,463,692,116.42/701,743.20
  6. Step 6: Final answer
    x = 523,644.11

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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.