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Finding the Fourth Proportional to 536,465.64, 805,067.52 and 220,922.52

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Solution

The fourth proportional to 536,465.64, 805,067.52 and 220,922.52 is: 331,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,465.64 : 805,067.52 = 220,922.52 : x
  2. Step 2: Convert to fraction form
    536,465.64/805,067.52 = 220,922.52/x
  3. Step 3: Cross multiply
    536,465.64x = 805,067.52 × 220,922.52
  4. Step 4: Simplify right side
    536,465.64x = 177,857,545,288.55
  5. Step 5: Solve for x
    x = 177,857,545,288.55/536,465.64
  6. Step 6: Final answer
    x = 331,535.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.