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Finding the Fourth Proportional to 701,744.63, 968,406.89 and 379,453.95

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Solution

The fourth proportional to 701,744.63, 968,406.89 and 379,453.95 is: 523,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,744.63 : 968,406.89 = 379,453.95 : x
  2. Step 2: Convert to fraction form
    701,744.63/968,406.89 = 379,453.95/x
  3. Step 3: Cross multiply
    701,744.63x = 968,406.89 × 379,453.95
  4. Step 4: Simplify right side
    701,744.63x = 367,465,817,720.45
  5. Step 5: Solve for x
    x = 367,465,817,720.45/701,744.63
  6. Step 6: Final answer
    x = 523,646.07

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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.