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Finding the Fourth Proportional to 613,287.04, 919,865.84 and 164,053.25

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Solution

The fourth proportional to 613,287.04, 919,865.84 and 164,053.25 is: 246,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,287.04 : 919,865.84 = 164,053.25 : x
  2. Step 2: Convert to fraction form
    613,287.04/919,865.84 = 164,053.25/x
  3. Step 3: Cross multiply
    613,287.04x = 919,865.84 × 164,053.25
  4. Step 4: Simplify right side
    613,287.04x = 150,906,981,026.11
  5. Step 5: Solve for x
    x = 150,906,981,026.11/613,287.04
  6. Step 6: Final answer
    x = 246,062.57

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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.