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Finding the Fourth Proportional to 590,224.62, 814,512.51 and 321,958.38

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Solution

The fourth proportional to 590,224.62, 814,512.51 and 321,958.38 is: 444,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,224.62 : 814,512.51 = 321,958.38 : x
  2. Step 2: Convert to fraction form
    590,224.62/814,512.51 = 321,958.38/x
  3. Step 3: Cross multiply
    590,224.62x = 814,512.51 × 321,958.38
  4. Step 4: Simplify right side
    590,224.62x = 262,239,128,209.33
  5. Step 5: Solve for x
    x = 262,239,128,209.33/590,224.62
  6. Step 6: Final answer
    x = 444,303.95

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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.