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Finding the Fourth Proportional to 633,254.36, 873,873.97 and 361,317.31

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Solution

The fourth proportional to 633,254.36, 873,873.97 and 361,317.31 is: 498,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,254.36 : 873,873.97 = 361,317.31 : x
  2. Step 2: Convert to fraction form
    633,254.36/873,873.97 = 361,317.31/x
  3. Step 3: Cross multiply
    633,254.36x = 873,873.97 × 361,317.31
  4. Step 4: Simplify right side
    633,254.36x = 315,745,789,031.44
  5. Step 5: Solve for x
    x = 315,745,789,031.44/633,254.36
  6. Step 6: Final answer
    x = 498,608.16

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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.