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Finding the Fourth Proportional to 293,765.92, 405,402.96 and 159,638.56

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Solution

The fourth proportional to 293,765.92, 405,402.96 and 159,638.56 is: 220,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,765.92 : 405,402.96 = 159,638.56 : x
  2. Step 2: Convert to fraction form
    293,765.92/405,402.96 = 159,638.56/x
  3. Step 3: Cross multiply
    293,765.92x = 405,402.96 × 159,638.56
  4. Step 4: Simplify right side
    293,765.92x = 64,717,944,754.14
  5. Step 5: Solve for x
    x = 64,717,944,754.14/293,765.92
  6. Step 6: Final answer
    x = 220,304.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.