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Finding the Fourth Proportional to 317,287.52, 475,763.76 and 167,608.16

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Solution

The fourth proportional to 317,287.52, 475,763.76 and 167,608.16 is: 251,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,287.52 : 475,763.76 = 167,608.16 : x
  2. Step 2: Convert to fraction form
    317,287.52/475,763.76 = 167,608.16/x
  3. Step 3: Cross multiply
    317,287.52x = 475,763.76 × 167,608.16
  4. Step 4: Simplify right side
    317,287.52x = 79,741,888,408.28
  5. Step 5: Solve for x
    x = 79,741,888,408.28/317,287.52
  6. Step 6: Final answer
    x = 251,323.75

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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.