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Finding the Fourth Proportional to 674,959.73, 1,012,493.48 and 225,682.97

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Solution

The fourth proportional to 674,959.73, 1,012,493.48 and 225,682.97 is: 338,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,959.73 : 1,012,493.48 = 225,682.97 : x
  2. Step 2: Convert to fraction form
    674,959.73/1,012,493.48 = 225,682.97/x
  3. Step 3: Cross multiply
    674,959.73x = 1,012,493.48 × 225,682.97
  4. Step 4: Simplify right side
    674,959.73x = 228,502,529,481.15
  5. Step 5: Solve for x
    x = 228,502,529,481.15/674,959.73
  6. Step 6: Final answer
    x = 338,542.47

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Double scale
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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.