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Finding the Fourth Proportional to 317,630.87, 475,998.38 and 175,540.13

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Solution

The fourth proportional to 317,630.87, 475,998.38 and 175,540.13 is: 263,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,630.87 : 475,998.38 = 175,540.13 : x
  2. Step 2: Convert to fraction form
    317,630.87/475,998.38 = 175,540.13/x
  3. Step 3: Cross multiply
    317,630.87x = 475,998.38 × 175,540.13
  4. Step 4: Simplify right side
    317,630.87x = 83,556,816,627.29
  5. Step 5: Solve for x
    x = 83,556,816,627.29/317,630.87
  6. Step 6: Final answer
    x = 263,062.64

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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.