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Finding the Fourth Proportional to 339,227.28, 511,279.23 and 292,407.46

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Solution

The fourth proportional to 339,227.28, 511,279.23 and 292,407.46 is: 440,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,227.28 : 511,279.23 = 292,407.46 : x
  2. Step 2: Convert to fraction form
    339,227.28/511,279.23 = 292,407.46/x
  3. Step 3: Cross multiply
    339,227.28x = 511,279.23 × 292,407.46
  4. Step 4: Simplify right side
    339,227.28x = 149,501,858,438.66
  5. Step 5: Solve for x
    x = 149,501,858,438.66/339,227.28
  6. Step 6: Final answer
    x = 440,712.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.