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Finding the Fourth Proportional to 293,846.90, 440,735.68 and 80,636.36

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Solution

The fourth proportional to 293,846.90, 440,735.68 and 80,636.36 is: 120,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,846.90 : 440,735.68 = 80,636.36 : x
  2. Step 2: Convert to fraction form
    293,846.90/440,735.68 = 80,636.36/x
  3. Step 3: Cross multiply
    293,846.90x = 440,735.68 × 80,636.36
  4. Step 4: Simplify right side
    293,846.90x = 35,539,320,957.32
  5. Step 5: Solve for x
    x = 35,539,320,957.32/293,846.90
  6. Step 6: Final answer
    x = 120,945.03

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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.