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Finding the Fourth Proportional to 503,479.37, 694,804.43 and 274,036.12

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Solution

The fourth proportional to 503,479.37, 694,804.43 and 274,036.12 is: 378,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,479.37 : 694,804.43 = 274,036.12 : x
  2. Step 2: Convert to fraction form
    503,479.37/694,804.43 = 274,036.12/x
  3. Step 3: Cross multiply
    503,479.37x = 694,804.43 × 274,036.12
  4. Step 4: Simplify right side
    503,479.37x = 190,401,510,156.01
  5. Step 5: Solve for x
    x = 190,401,510,156.01/503,479.37
  6. Step 6: Final answer
    x = 378,171.42

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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.