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Finding the Fourth Proportional to 262,892.85, 394,430.85 and 83,006.04

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Solution

The fourth proportional to 262,892.85, 394,430.85 and 83,006.04 is: 124,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,892.85 : 394,430.85 = 83,006.04 : x
  2. Step 2: Convert to fraction form
    262,892.85/394,430.85 = 83,006.04/x
  3. Step 3: Cross multiply
    262,892.85x = 394,430.85 × 83,006.04
  4. Step 4: Simplify right side
    262,892.85x = 32,740,142,912.33
  5. Step 5: Solve for x
    x = 32,740,142,912.33/262,892.85
  6. Step 6: Final answer
    x = 124,537.97

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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.