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Finding the Fourth Proportional to 701,855.11, 968,562.96 and 379,565.21

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Solution

The fourth proportional to 701,855.11, 968,562.96 and 379,565.21 is: 523,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,855.11 : 968,562.96 = 379,565.21 : x
  2. Step 2: Convert to fraction form
    701,855.11/968,562.96 = 379,565.21/x
  3. Step 3: Cross multiply
    701,855.11x = 968,562.96 × 379,565.21
  4. Step 4: Simplify right side
    701,855.11x = 367,632,796,569.98
  5. Step 5: Solve for x
    x = 367,632,796,569.98/701,855.11
  6. Step 6: Final answer
    x = 523,801.56

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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.