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Finding the Fourth Proportional to 295,961.55, 408,426.37 and 159,995.58

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Solution

The fourth proportional to 295,961.55, 408,426.37 and 159,995.58 is: 220,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,961.55 : 408,426.37 = 159,995.58 : x
  2. Step 2: Convert to fraction form
    295,961.55/408,426.37 = 159,995.58/x
  3. Step 3: Cross multiply
    295,961.55x = 408,426.37 × 159,995.58
  4. Step 4: Simplify right side
    295,961.55x = 65,346,413,955.44
  5. Step 5: Solve for x
    x = 65,346,413,955.44/295,961.55
  6. Step 6: Final answer
    x = 220,793.59

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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.