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Finding the Fourth Proportional to 317,163.29, 437,697.96 and 173,928.47

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Solution

The fourth proportional to 317,163.29, 437,697.96 and 173,928.47 is: 240,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,163.29 : 437,697.96 = 173,928.47 : x
  2. Step 2: Convert to fraction form
    317,163.29/437,697.96 = 173,928.47/x
  3. Step 3: Cross multiply
    317,163.29x = 437,697.96 × 173,928.47
  4. Step 4: Simplify right side
    317,163.29x = 76,128,136,504.92
  5. Step 5: Solve for x
    x = 76,128,136,504.92/317,163.29
  6. Step 6: Final answer
    x = 240,028.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.