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Finding the Fourth Proportional to 325,959.71, 488,838.31 and 157,375.22

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Solution

The fourth proportional to 325,959.71, 488,838.31 and 157,375.22 is: 236,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,959.71 : 488,838.31 = 157,375.22 : x
  2. Step 2: Convert to fraction form
    325,959.71/488,838.31 = 157,375.22/x
  3. Step 3: Cross multiply
    325,959.71x = 488,838.31 × 157,375.22
  4. Step 4: Simplify right side
    325,959.71x = 76,931,033,743.05
  5. Step 5: Solve for x
    x = 76,931,033,743.05/325,959.71
  6. Step 6: Final answer
    x = 236,013.94

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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.