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Finding the Fourth Proportional to 639,652.44, 960,622.24 and 613,937.32

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Solution

The fourth proportional to 639,652.44, 960,622.24 and 613,937.32 is: 922,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,652.44 : 960,622.24 = 613,937.32 : x
  2. Step 2: Convert to fraction form
    639,652.44/960,622.24 = 613,937.32/x
  3. Step 3: Cross multiply
    639,652.44x = 960,622.24 × 613,937.32
  4. Step 4: Simplify right side
    639,652.44x = 589,761,843,558.00
  5. Step 5: Solve for x
    x = 589,761,843,558.00/639,652.44
  6. Step 6: Final answer
    x = 922,003.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.