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Finding the Fourth Proportional to 373,806.80, 515,835.24 and 204,030.80

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Solution

The fourth proportional to 373,806.80, 515,835.24 and 204,030.80 is: 281,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,806.80 : 515,835.24 = 204,030.80 : x
  2. Step 2: Convert to fraction form
    373,806.80/515,835.24 = 204,030.80/x
  3. Step 3: Cross multiply
    373,806.80x = 515,835.24 × 204,030.80
  4. Step 4: Simplify right side
    373,806.80x = 105,246,276,685.39
  5. Step 5: Solve for x
    x = 105,246,276,685.39/373,806.80
  6. Step 6: Final answer
    x = 281,552.60

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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.