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Finding the Fourth Proportional to 404,940.51, 607,348.29 and 135,073.35

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Solution

The fourth proportional to 404,940.51, 607,348.29 and 135,073.35 is: 202,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,940.51 : 607,348.29 = 135,073.35 : x
  2. Step 2: Convert to fraction form
    404,940.51/607,348.29 = 135,073.35/x
  3. Step 3: Cross multiply
    404,940.51x = 607,348.29 × 135,073.35
  4. Step 4: Simplify right side
    404,940.51x = 82,036,568,147.07
  5. Step 5: Solve for x
    x = 82,036,568,147.07/404,940.51
  6. Step 6: Final answer
    x = 202,589.19

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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.