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Finding the Fourth Proportional to 633,049.25, 873,691.16 and 361,054.80

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Solution

The fourth proportional to 633,049.25, 873,691.16 and 361,054.80 is: 498,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,049.25 : 873,691.16 = 361,054.80 : x
  2. Step 2: Convert to fraction form
    633,049.25/873,691.16 = 361,054.80/x
  3. Step 3: Cross multiply
    633,049.25x = 873,691.16 × 361,054.80
  4. Step 4: Simplify right side
    633,049.25x = 315,450,385,230.29
  5. Step 5: Solve for x
    x = 315,450,385,230.29/633,049.25
  6. Step 6: Final answer
    x = 498,303.07

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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.