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Finding the Fourth Proportional to 629,518.37, 943,487.48 and 495,870.80

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Solution

The fourth proportional to 629,518.37, 943,487.48 and 495,870.80 is: 743,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,518.37 : 943,487.48 = 495,870.80 : x
  2. Step 2: Convert to fraction form
    629,518.37/943,487.48 = 495,870.80/x
  3. Step 3: Cross multiply
    629,518.37x = 943,487.48 × 495,870.80
  4. Step 4: Simplify right side
    629,518.37x = 467,847,888,019.82
  5. Step 5: Solve for x
    x = 467,847,888,019.82/629,518.37
  6. Step 6: Final answer
    x = 743,183.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.