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Finding the Fourth Proportional to 503,998.50, 695,517.61 and 277,644

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Solution

The fourth proportional to 503,998.50, 695,517.61 and 277,644 is: 383,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,998.50 : 695,517.61 = 277,644 : x
  2. Step 2: Convert to fraction form
    503,998.50/695,517.61 = 277,644/x
  3. Step 3: Cross multiply
    503,998.50x = 695,517.61 × 277,644
  4. Step 4: Simplify right side
    503,998.50x = 193,106,291,310.84
  5. Step 5: Solve for x
    x = 193,106,291,310.84/503,998.50
  6. Step 6: Final answer
    x = 383,148.54

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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.