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Finding the Fourth Proportional to 320,250.88, 441,969.15 and 177,007.87

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Solution

The fourth proportional to 320,250.88, 441,969.15 and 177,007.87 is: 244,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,250.88 : 441,969.15 = 177,007.87 : x
  2. Step 2: Convert to fraction form
    320,250.88/441,969.15 = 177,007.87/x
  3. Step 3: Cross multiply
    320,250.88x = 441,969.15 × 177,007.87
  4. Step 4: Simplify right side
    320,250.88x = 78,232,017,847.21
  5. Step 5: Solve for x
    x = 78,232,017,847.21/320,250.88
  6. Step 6: Final answer
    x = 244,283.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.