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Finding the Fourth Proportional to 372,801.83, 514,472.38 and 203,035.82

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Solution

The fourth proportional to 372,801.83, 514,472.38 and 203,035.82 is: 280,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,801.83 : 514,472.38 = 203,035.82 : x
  2. Step 2: Convert to fraction form
    372,801.83/514,472.38 = 203,035.82/x
  3. Step 3: Cross multiply
    372,801.83x = 514,472.38 × 203,035.82
  4. Step 4: Simplify right side
    372,801.83x = 104,456,318,460.70
  5. Step 5: Solve for x
    x = 104,456,318,460.70/372,801.83
  6. Step 6: Final answer
    x = 280,192.62

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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.