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Finding the Fourth Proportional to 422,019.18, 582,432.93 and 269,062.92

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Solution

The fourth proportional to 422,019.18, 582,432.93 and 269,062.92 is: 371,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,019.18 : 582,432.93 = 269,062.92 : x
  2. Step 2: Convert to fraction form
    422,019.18/582,432.93 = 269,062.92/x
  3. Step 3: Cross multiply
    422,019.18x = 582,432.93 × 269,062.92
  4. Step 4: Simplify right side
    422,019.18x = 156,711,104,849.96
  5. Step 5: Solve for x
    x = 156,711,104,849.96/422,019.18
  6. Step 6: Final answer
    x = 371,336.45

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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.