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Finding the Fourth Proportional to 292,606.82, 438,910.15 and 82,244.73

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Solution

The fourth proportional to 292,606.82, 438,910.15 and 82,244.73 is: 123,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,606.82 : 438,910.15 = 82,244.73 : x
  2. Step 2: Convert to fraction form
    292,606.82/438,910.15 = 82,244.73/x
  3. Step 3: Cross multiply
    292,606.82x = 438,910.15 × 82,244.73
  4. Step 4: Simplify right side
    292,606.82x = 36,098,046,781.01
  5. Step 5: Solve for x
    x = 36,098,046,781.01/292,606.82
  6. Step 6: Final answer
    x = 123,367.07

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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.