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Finding the Fourth Proportional to 317,448.08, 475,991.68 and 245,375.50

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Solution

The fourth proportional to 317,448.08, 475,991.68 and 245,375.50 is: 367,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,448.08 : 475,991.68 = 245,375.50 : x
  2. Step 2: Convert to fraction form
    317,448.08/475,991.68 = 245,375.50/x
  3. Step 3: Cross multiply
    317,448.08x = 475,991.68 × 245,375.50
  4. Step 4: Simplify right side
    317,448.08x = 116,796,696,475.84
  5. Step 5: Solve for x
    x = 116,796,696,475.84/317,448.08
  6. Step 6: Final answer
    x = 367,923.78

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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.