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Finding the Fourth Proportional to 701,739.22, 968,398.41 and 379,448.32

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Solution

The fourth proportional to 701,739.22, 968,398.41 and 379,448.32 is: 523,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,739.22 : 968,398.41 = 379,448.32 : x
  2. Step 2: Convert to fraction form
    701,739.22/968,398.41 = 379,448.32/x
  3. Step 3: Cross multiply
    701,739.22x = 968,398.41 × 379,448.32
  4. Step 4: Simplify right side
    701,739.22x = 367,457,149,765.17
  5. Step 5: Solve for x
    x = 367,457,149,765.17/701,739.22
  6. Step 6: Final answer
    x = 523,637.76

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1.5x scale

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.