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Finding the Fourth Proportional to 671,902.27, 927,230.62 and 365,979.85

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Solution

The fourth proportional to 671,902.27, 927,230.62 and 365,979.85 is: 505,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,902.27 : 927,230.62 = 365,979.85 : x
  2. Step 2: Convert to fraction form
    671,902.27/927,230.62 = 365,979.85/x
  3. Step 3: Cross multiply
    671,902.27x = 927,230.62 × 365,979.85
  4. Step 4: Simplify right side
    671,902.27x = 339,347,723,223.01
  5. Step 5: Solve for x
    x = 339,347,723,223.01/671,902.27
  6. Step 6: Final answer
    x = 505,055.18

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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.