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Finding the Fourth Proportional to 293,659.32, 405,238.92 and 159,520.44

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Solution

The fourth proportional to 293,659.32, 405,238.92 and 159,520.44 is: 220,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,659.32 : 405,238.92 = 159,520.44 : x
  2. Step 2: Convert to fraction form
    293,659.32/405,238.92 = 159,520.44/x
  3. Step 3: Cross multiply
    293,659.32x = 405,238.92 × 159,520.44
  4. Step 4: Simplify right side
    293,659.32x = 64,643,890,823.52
  5. Step 5: Solve for x
    x = 64,643,890,823.52/293,659.32
  6. Step 6: Final answer
    x = 220,132.26

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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.