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Finding the Fourth Proportional to 404,165.56, 606,295.14 and 134,317.80

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Solution

The fourth proportional to 404,165.56, 606,295.14 and 134,317.80 is: 201,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,165.56 : 606,295.14 = 134,317.80 : x
  2. Step 2: Convert to fraction form
    404,165.56/606,295.14 = 134,317.80/x
  3. Step 3: Cross multiply
    404,165.56x = 606,295.14 × 134,317.80
  4. Step 4: Simplify right side
    404,165.56x = 81,436,229,355.49
  5. Step 5: Solve for x
    x = 81,436,229,355.49/404,165.56
  6. Step 6: Final answer
    x = 201,492.25

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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.