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Finding the Fourth Proportional to 372,735.72, 514,375.92 and 202,970.52

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Solution

The fourth proportional to 372,735.72, 514,375.92 and 202,970.52 is: 280,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,735.72 : 514,375.92 = 202,970.52 : x
  2. Step 2: Convert to fraction form
    372,735.72/514,375.92 = 202,970.52/x
  3. Step 3: Cross multiply
    372,735.72x = 514,375.92 × 202,970.52
  4. Step 4: Simplify right side
    372,735.72x = 104,403,147,957.88
  5. Step 5: Solve for x
    x = 104,403,147,957.88/372,735.72
  6. Step 6: Final answer
    x = 280,099.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.