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Finding the Fourth Proportional to 633,084.32, 873,739.56 and 361,089.90

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Solution

The fourth proportional to 633,084.32, 873,739.56 and 361,089.90 is: 498,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,084.32 : 873,739.56 = 361,089.90 : x
  2. Step 2: Convert to fraction form
    633,084.32/873,739.56 = 361,089.90/x
  3. Step 3: Cross multiply
    633,084.32x = 873,739.56 × 361,089.90
  4. Step 4: Simplify right side
    633,084.32x = 315,498,525,977.75
  5. Step 5: Solve for x
    x = 315,498,525,977.75/633,084.32
  6. Step 6: Final answer
    x = 498,351.51

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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.