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Finding the Fourth Proportional to 316,206.52, 436,476.18 and 195,440.44

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Solution

The fourth proportional to 316,206.52, 436,476.18 and 195,440.44 is: 269,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,206.52 : 436,476.18 = 195,440.44 : x
  2. Step 2: Convert to fraction form
    316,206.52/436,476.18 = 195,440.44/x
  3. Step 3: Cross multiply
    316,206.52x = 436,476.18 × 195,440.44
  4. Step 4: Simplify right side
    316,206.52x = 85,305,096,668.72
  5. Step 5: Solve for x
    x = 85,305,096,668.72/316,206.52
  6. Step 6: Final answer
    x = 269,776.53

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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.