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Finding the Fourth Proportional to 537,177.88, 805,858.62 and 221,462.20

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Solution

The fourth proportional to 537,177.88, 805,858.62 and 221,462.20 is: 332,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,177.88 : 805,858.62 = 221,462.20 : x
  2. Step 2: Convert to fraction form
    537,177.88/805,858.62 = 221,462.20/x
  3. Step 3: Cross multiply
    537,177.88x = 805,858.62 × 221,462.20
  4. Step 4: Simplify right side
    537,177.88x = 178,467,222,874.16
  5. Step 5: Solve for x
    x = 178,467,222,874.16/537,177.88
  6. Step 6: Final answer
    x = 332,231.15

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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.