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Finding the Fourth Proportional to 632,910.36, 873,399 and 360,972.12

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Solution

The fourth proportional to 632,910.36, 873,399 and 360,972.12 is: 498,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,910.36 : 873,399 = 360,972.12 : x
  2. Step 2: Convert to fraction form
    632,910.36/873,399 = 360,972.12/x
  3. Step 3: Cross multiply
    632,910.36x = 873,399 × 360,972.12
  4. Step 4: Simplify right side
    632,910.36x = 315,272,688,635.88
  5. Step 5: Solve for x
    x = 315,272,688,635.88/632,910.36
  6. Step 6: Final answer
    x = 498,131.66

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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.