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Finding the Fourth Proportional to 404,375.45, 606,427.62 and 134,441.33

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Solution

The fourth proportional to 404,375.45, 606,427.62 and 134,441.33 is: 201,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,375.45 : 606,427.62 = 134,441.33 : x
  2. Step 2: Convert to fraction form
    404,375.45/606,427.62 = 134,441.33/x
  3. Step 3: Cross multiply
    404,375.45x = 606,427.62 × 134,441.33
  4. Step 4: Simplify right side
    404,375.45x = 81,528,935,781.53
  5. Step 5: Solve for x
    x = 81,528,935,781.53/404,375.45
  6. Step 6: Final answer
    x = 201,616.93

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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.