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Finding the Fourth Proportional to 446,570.88, 669,856.86 and 122,361.75

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Solution

The fourth proportional to 446,570.88, 669,856.86 and 122,361.75 is: 183,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,570.88 : 669,856.86 = 122,361.75 : x
  2. Step 2: Convert to fraction form
    446,570.88/669,856.86 = 122,361.75/x
  3. Step 3: Cross multiply
    446,570.88x = 669,856.86 × 122,361.75
  4. Step 4: Simplify right side
    446,570.88x = 81,964,857,639.11
  5. Step 5: Solve for x
    x = 81,964,857,639.11/446,570.88
  6. Step 6: Final answer
    x = 183,542.77

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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.