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Finding the Fourth Proportional to 208,760.26, 313,508.67 and 155,466.71

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Solution

The fourth proportional to 208,760.26, 313,508.67 and 155,466.71 is: 233,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,760.26 : 313,508.67 = 155,466.71 : x
  2. Step 2: Convert to fraction form
    208,760.26/313,508.67 = 155,466.71/x
  3. Step 3: Cross multiply
    208,760.26x = 313,508.67 × 155,466.71
  4. Step 4: Simplify right side
    208,760.26x = 48,740,161,481.38
  5. Step 5: Solve for x
    x = 48,740,161,481.38/208,760.26
  6. Step 6: Final answer
    x = 233,474.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.