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Finding the Fourth Proportional to 363,262.52, 501,247.64 and 208,191.47

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Solution

The fourth proportional to 363,262.52, 501,247.64 and 208,191.47 is: 287,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,262.52 : 501,247.64 = 208,191.47 : x
  2. Step 2: Convert to fraction form
    363,262.52/501,247.64 = 208,191.47/x
  3. Step 3: Cross multiply
    363,262.52x = 501,247.64 × 208,191.47
  4. Step 4: Simplify right side
    363,262.52x = 104,355,481,019.87
  5. Step 5: Solve for x
    x = 104,355,481,019.87/363,262.52
  6. Step 6: Final answer
    x = 287,272.91

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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.