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Finding the Fourth Proportional to 701,909.37, 968,634.90 and 379,619.46

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Solution

The fourth proportional to 701,909.37, 968,634.90 and 379,619.46 is: 523,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,909.37 : 968,634.90 = 379,619.46 : x
  2. Step 2: Convert to fraction form
    701,909.37/968,634.90 = 379,619.46/x
  3. Step 3: Cross multiply
    701,909.37x = 968,634.90 × 379,619.46
  4. Step 4: Simplify right side
    701,909.37x = 367,712,657,675.15
  5. Step 5: Solve for x
    x = 367,712,657,675.15/701,909.37
  6. Step 6: Final answer
    x = 523,874.84

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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.