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Finding the Fourth Proportional to 316,512.35, 436,792.44 and 195,650.52

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Solution

The fourth proportional to 316,512.35, 436,792.44 and 195,650.52 is: 270,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,512.35 : 436,792.44 = 195,650.52 : x
  2. Step 2: Convert to fraction form
    316,512.35/436,792.44 = 195,650.52/x
  3. Step 3: Cross multiply
    316,512.35x = 436,792.44 × 195,650.52
  4. Step 4: Simplify right side
    316,512.35x = 85,458,668,018.07
  5. Step 5: Solve for x
    x = 85,458,668,018.07/316,512.35
  6. Step 6: Final answer
    x = 270,001.06

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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.