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Finding the Fourth Proportional to 454,705.38, 682,110.72 and 151,126.65

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Solution

The fourth proportional to 454,705.38, 682,110.72 and 151,126.65 is: 226,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,705.38 : 682,110.72 = 151,126.65 : x
  2. Step 2: Convert to fraction form
    454,705.38/682,110.72 = 151,126.65/x
  3. Step 3: Cross multiply
    454,705.38x = 682,110.72 × 151,126.65
  4. Step 4: Simplify right side
    454,705.38x = 103,085,108,042.69
  5. Step 5: Solve for x
    x = 103,085,108,042.69/454,705.38
  6. Step 6: Final answer
    x = 226,707.47

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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.