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Finding the Fourth Proportional to 503,354.53, 694,628.85 and 277,000.03

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Solution

The fourth proportional to 503,354.53, 694,628.85 and 277,000.03 is: 382,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,354.53 : 694,628.85 = 277,000.03 : x
  2. Step 2: Convert to fraction form
    503,354.53/694,628.85 = 277,000.03/x
  3. Step 3: Cross multiply
    503,354.53x = 694,628.85 × 277,000.03
  4. Step 4: Simplify right side
    503,354.53x = 192,412,212,288.87
  5. Step 5: Solve for x
    x = 192,412,212,288.87/503,354.53
  6. Step 6: Final answer
    x = 382,259.82

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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.