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Finding the Fourth Proportional to 503,399.04, 694,676.16 and 277,039.68

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Solution

The fourth proportional to 503,399.04, 694,676.16 and 277,039.68 is: 382,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,399.04 : 694,676.16 = 277,039.68 : x
  2. Step 2: Convert to fraction form
    503,399.04/694,676.16 = 277,039.68/x
  3. Step 3: Cross multiply
    503,399.04x = 694,676.16 × 277,039.68
  4. Step 4: Simplify right side
    503,399.04x = 192,452,861,070.03
  5. Step 5: Solve for x
    x = 192,452,861,070.03/503,399.04
  6. Step 6: Final answer
    x = 382,306.77

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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.