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Finding the Fourth Proportional to 629,077.70, 943,616.55 and 488,936.90

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Solution

The fourth proportional to 629,077.70, 943,616.55 and 488,936.90 is: 733,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,077.70 : 943,616.55 = 488,936.90 : x
  2. Step 2: Convert to fraction form
    629,077.70/943,616.55 = 488,936.90/x
  3. Step 3: Cross multiply
    629,077.70x = 943,616.55 × 488,936.90
  4. Step 4: Simplify right side
    629,077.70x = 461,368,950,745.70
  5. Step 5: Solve for x
    x = 461,368,950,745.70/629,077.70
  6. Step 6: Final answer
    x = 733,405.35

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Double scale
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Similar ratio
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1.5x scale

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.