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Finding the Fourth Proportional to 701,903.73, 968,627.15 and 379,613.82

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Solution

The fourth proportional to 701,903.73, 968,627.15 and 379,613.82 is: 523,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,903.73 : 968,627.15 = 379,613.82 : x
  2. Step 2: Convert to fraction form
    701,903.73/968,627.15 = 379,613.82/x
  3. Step 3: Cross multiply
    701,903.73x = 968,627.15 × 379,613.82
  4. Step 4: Simplify right side
    701,903.73x = 367,704,250,669.14
  5. Step 5: Solve for x
    x = 367,704,250,669.14/701,903.73
  6. Step 6: Final answer
    x = 523,867.07

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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.