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Finding the Fourth Proportional to 316,760.26, 436,963.44 and 195,862.90

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Solution

The fourth proportional to 316,760.26, 436,963.44 and 195,862.90 is: 270,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,760.26 : 436,963.44 = 195,862.90 : x
  2. Step 2: Convert to fraction form
    316,760.26/436,963.44 = 195,862.90/x
  3. Step 3: Cross multiply
    316,760.26x = 436,963.44 × 195,862.90
  4. Step 4: Simplify right side
    316,760.26x = 85,584,926,552.38
  5. Step 5: Solve for x
    x = 85,584,926,552.38/316,760.26
  6. Step 6: Final answer
    x = 270,188.33

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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.