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Finding the Fourth Proportional to 366,587.02, 505,906.08 and 203,233.11

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Solution

The fourth proportional to 366,587.02, 505,906.08 and 203,233.11 is: 280,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,587.02 : 505,906.08 = 203,233.11 : x
  2. Step 2: Convert to fraction form
    366,587.02/505,906.08 = 203,233.11/x
  3. Step 3: Cross multiply
    366,587.02x = 505,906.08 × 203,233.11
  4. Step 4: Simplify right side
    366,587.02x = 102,816,865,341.49
  5. Step 5: Solve for x
    x = 102,816,865,341.49/366,587.02
  6. Step 6: Final answer
    x = 280,470.56

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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.