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Finding the Fourth Proportional to 455,961.59, 629,227.59 and 262,365.44

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Solution

The fourth proportional to 455,961.59, 629,227.59 and 262,365.44 is: 362,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,961.59 : 629,227.59 = 262,365.44 : x
  2. Step 2: Convert to fraction form
    455,961.59/629,227.59 = 262,365.44/x
  3. Step 3: Cross multiply
    455,961.59x = 629,227.59 × 262,365.44
  4. Step 4: Simplify right side
    455,961.59x = 165,087,576,067.43
  5. Step 5: Solve for x
    x = 165,087,576,067.43/455,961.59
  6. Step 6: Final answer
    x = 362,064.66

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1.5x scale

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.