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Finding the Fourth Proportional to 372,609, 514,200.42 and 202,833

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Solution

The fourth proportional to 372,609, 514,200.42 and 202,833 is: 279,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,609 : 514,200.42 = 202,833 : x
  2. Step 2: Convert to fraction form
    372,609/514,200.42 = 202,833/x
  3. Step 3: Cross multiply
    372,609x = 514,200.42 × 202,833
  4. Step 4: Simplify right side
    372,609x = 104,296,813,789.86
  5. Step 5: Solve for x
    x = 104,296,813,789.86/372,609
  6. Step 6: Final answer
    x = 279,909.54

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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.