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Finding the Fourth Proportional to 455,067.30, 682,600.95 and 202,347.30

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Solution

The fourth proportional to 455,067.30, 682,600.95 and 202,347.30 is: 303,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,067.30 : 682,600.95 = 202,347.30 : x
  2. Step 2: Convert to fraction form
    455,067.30/682,600.95 = 202,347.30/x
  3. Step 3: Cross multiply
    455,067.30x = 682,600.95 × 202,347.30
  4. Step 4: Simplify right side
    455,067.30x = 138,122,459,209.94
  5. Step 5: Solve for x
    x = 138,122,459,209.94/455,067.30
  6. Step 6: Final answer
    x = 303,520.95

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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.