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Finding the Fourth Proportional to 365,085.91, 503,782.41 and 203,937.49

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Solution

The fourth proportional to 365,085.91, 503,782.41 and 203,937.49 is: 281,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,085.91 : 503,782.41 = 203,937.49 : x
  2. Step 2: Convert to fraction form
    365,085.91/503,782.41 = 203,937.49/x
  3. Step 3: Cross multiply
    365,085.91x = 503,782.41 × 203,937.49
  4. Step 4: Simplify right side
    365,085.91x = 102,740,120,201.55
  5. Step 5: Solve for x
    x = 102,740,120,201.55/365,085.91
  6. Step 6: Final answer
    x = 281,413.55

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1.5x scale

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.