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Finding the Fourth Proportional to 633,080.70, 873,734.56 and 361,086.24

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Solution

The fourth proportional to 633,080.70, 873,734.56 and 361,086.24 is: 498,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,080.70 : 873,734.56 = 361,086.24 : x
  2. Step 2: Convert to fraction form
    633,080.70/873,734.56 = 361,086.24/x
  3. Step 3: Cross multiply
    633,080.70x = 873,734.56 × 361,086.24
  4. Step 4: Simplify right side
    633,080.70x = 315,493,527,028.45
  5. Step 5: Solve for x
    x = 315,493,527,028.45/633,080.70
  6. Step 6: Final answer
    x = 498,346.46

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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.