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Finding the Fourth Proportional to 404,972.26, 607,452.01 and 105,446.21

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Solution

The fourth proportional to 404,972.26, 607,452.01 and 105,446.21 is: 158,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,972.26 : 607,452.01 = 105,446.21 : x
  2. Step 2: Convert to fraction form
    404,972.26/607,452.01 = 105,446.21/x
  3. Step 3: Cross multiply
    404,972.26x = 607,452.01 × 105,446.21
  4. Step 4: Simplify right side
    404,972.26x = 64,053,508,910.51
  5. Step 5: Solve for x
    x = 64,053,508,910.51/404,972.26
  6. Step 6: Final answer
    x = 158,167.65

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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.