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Finding the Fourth Proportional to 536,737.59, 805,204.80 and 221,022.27

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Solution

The fourth proportional to 536,737.59, 805,204.80 and 221,022.27 is: 331,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,737.59 : 805,204.80 = 221,022.27 : x
  2. Step 2: Convert to fraction form
    536,737.59/805,204.80 = 221,022.27/x
  3. Step 3: Cross multiply
    536,737.59x = 805,204.80 × 221,022.27
  4. Step 4: Simplify right side
    536,737.59x = 177,968,192,710.90
  5. Step 5: Solve for x
    x = 177,968,192,710.90/536,737.59
  6. Step 6: Final answer
    x = 331,573.93

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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.