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Finding the Fourth Proportional to 365,781.06, 548,285.63 and 197,255.52

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Solution

The fourth proportional to 365,781.06, 548,285.63 and 197,255.52 is: 295,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,781.06 : 548,285.63 = 197,255.52 : x
  2. Step 2: Convert to fraction form
    365,781.06/548,285.63 = 197,255.52/x
  3. Step 3: Cross multiply
    365,781.06x = 548,285.63 × 197,255.52
  4. Step 4: Simplify right side
    365,781.06x = 108,152,366,067.90
  5. Step 5: Solve for x
    x = 108,152,366,067.90/365,781.06
  6. Step 6: Final answer
    x = 295,675.14

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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.