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Finding the Fourth Proportional to 446,037.80, 668,862.30 and 179,709.80

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Solution

The fourth proportional to 446,037.80, 668,862.30 and 179,709.80 is: 269,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,037.80 : 668,862.30 = 179,709.80 : x
  2. Step 2: Convert to fraction form
    446,037.80/668,862.30 = 179,709.80/x
  3. Step 3: Cross multiply
    446,037.80x = 668,862.30 × 179,709.80
  4. Step 4: Simplify right side
    446,037.80x = 120,201,110,160.54
  5. Step 5: Solve for x
    x = 120,201,110,160.54/446,037.80
  6. Step 6: Final answer
    x = 269,486.38

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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.