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Finding the Fourth Proportional to 294,076.88, 441,080.24 and 80,866.45

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Solution

The fourth proportional to 294,076.88, 441,080.24 and 80,866.45 is: 121,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,076.88 : 441,080.24 = 80,866.45 : x
  2. Step 2: Convert to fraction form
    294,076.88/441,080.24 = 80,866.45/x
  3. Step 3: Cross multiply
    294,076.88x = 441,080.24 × 80,866.45
  4. Step 4: Simplify right side
    294,076.88x = 35,668,593,173.95
  5. Step 5: Solve for x
    x = 35,668,593,173.95/294,076.88
  6. Step 6: Final answer
    x = 121,290.03

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1.5x scale

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.