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Finding the Fourth Proportional to 503,572.01, 694,927.35 and 274,142.03

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Solution

The fourth proportional to 503,572.01, 694,927.35 and 274,142.03 is: 378,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,572.01 : 694,927.35 = 274,142.03 : x
  2. Step 2: Convert to fraction form
    503,572.01/694,927.35 = 274,142.03/x
  3. Step 3: Cross multiply
    503,572.01x = 694,927.35 × 274,142.03
  4. Step 4: Simplify right side
    503,572.01x = 190,508,790,956.88
  5. Step 5: Solve for x
    x = 190,508,790,956.88/503,572.01
  6. Step 6: Final answer
    x = 378,314.90

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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.