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Finding the Fourth Proportional to 504,010.78, 694,577.89 and 360,521.70

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Solution

The fourth proportional to 504,010.78, 694,577.89 and 360,521.70 is: 496,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.78 : 694,577.89 = 360,521.70 : x
  2. Step 2: Convert to fraction form
    504,010.78/694,577.89 = 360,521.70/x
  3. Step 3: Cross multiply
    504,010.78x = 694,577.89 × 360,521.70
  4. Step 4: Simplify right side
    504,010.78x = 250,410,401,685.21
  5. Step 5: Solve for x
    x = 250,410,401,685.21/504,010.78
  6. Step 6: Final answer
    x = 496,835.41

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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.