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Finding the Fourth Proportional to 350,601.75, 525,367.47 and 208,166.52

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Solution

The fourth proportional to 350,601.75, 525,367.47 and 208,166.52 is: 311,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,601.75 : 525,367.47 = 208,166.52 : x
  2. Step 2: Convert to fraction form
    350,601.75/525,367.47 = 208,166.52/x
  3. Step 3: Cross multiply
    350,601.75x = 525,367.47 × 208,166.52
  4. Step 4: Simplify right side
    350,601.75x = 109,363,917,951.10
  5. Step 5: Solve for x
    x = 109,363,917,951.10/350,601.75
  6. Step 6: Final answer
    x = 311,932.04

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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.