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Finding the Fourth Proportional to 317,169.60, 475,835.40 and 223,857.60

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Solution

The fourth proportional to 317,169.60, 475,835.40 and 223,857.60 is: 335,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,169.60 : 475,835.40 = 223,857.60 : x
  2. Step 2: Convert to fraction form
    317,169.60/475,835.40 = 223,857.60/x
  3. Step 3: Cross multiply
    317,169.60x = 475,835.40 × 223,857.60
  4. Step 4: Simplify right side
    317,169.60x = 106,519,370,639.04
  5. Step 5: Solve for x
    x = 106,519,370,639.04/317,169.60
  6. Step 6: Final answer
    x = 335,843.57

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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.