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Finding the Fourth Proportional to 446,098.41, 668,797.70 and 221,300.73

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Solution

The fourth proportional to 446,098.41, 668,797.70 and 221,300.73 is: 331,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,098.41 : 668,797.70 = 221,300.73 : x
  2. Step 2: Convert to fraction form
    446,098.41/668,797.70 = 221,300.73/x
  3. Step 3: Cross multiply
    446,098.41x = 668,797.70 × 221,300.73
  4. Step 4: Simplify right side
    446,098.41x = 148,005,418,125.82
  5. Step 5: Solve for x
    x = 148,005,418,125.82/446,098.41
  6. Step 6: Final answer
    x = 331,777.51

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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.