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Finding the Fourth Proportional to 633,083.37, 873,652.72 and 361,150.78

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Solution

The fourth proportional to 633,083.37, 873,652.72 and 361,150.78 is: 498,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,083.37 : 873,652.72 = 361,150.78 : x
  2. Step 2: Convert to fraction form
    633,083.37/873,652.72 = 361,150.78/x
  3. Step 3: Cross multiply
    633,083.37x = 873,652.72 × 361,150.78
  4. Step 4: Simplify right side
    633,083.37x = 315,520,361,277.12
  5. Step 5: Solve for x
    x = 315,520,361,277.12/633,083.37
  6. Step 6: Final answer
    x = 498,386.75

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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.