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Finding the Fourth Proportional to 351,324.31, 526,907.63 and 161,602.47

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Solution

The fourth proportional to 351,324.31, 526,907.63 and 161,602.47 is: 242,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,324.31 : 526,907.63 = 161,602.47 : x
  2. Step 2: Convert to fraction form
    351,324.31/526,907.63 = 161,602.47/x
  3. Step 3: Cross multiply
    351,324.31x = 526,907.63 × 161,602.47
  4. Step 4: Simplify right side
    351,324.31x = 85,149,573,391.92
  5. Step 5: Solve for x
    x = 85,149,573,391.92/351,324.31
  6. Step 6: Final answer
    x = 242,367.44

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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.