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Finding the Fourth Proportional to 633,245.87, 873,862.25 and 361,308.83

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Solution

The fourth proportional to 633,245.87, 873,862.25 and 361,308.83 is: 498,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,245.87 : 873,862.25 = 361,308.83 : x
  2. Step 2: Convert to fraction form
    633,245.87/873,862.25 = 361,308.83/x
  3. Step 3: Cross multiply
    633,245.87x = 873,862.25 × 361,308.83
  4. Step 4: Simplify right side
    633,245.87x = 315,734,140,952.81
  5. Step 5: Solve for x
    x = 315,734,140,952.81/633,245.87
  6. Step 6: Final answer
    x = 498,596.45

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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.