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Finding the Fourth Proportional to 637,067.22, 956,191.59 and 321,745.38

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Solution

The fourth proportional to 637,067.22, 956,191.59 and 321,745.38 is: 482,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,067.22 : 956,191.59 = 321,745.38 : x
  2. Step 2: Convert to fraction form
    637,067.22/956,191.59 = 321,745.38/x
  3. Step 3: Cross multiply
    637,067.22x = 956,191.59 × 321,745.38
  4. Step 4: Simplify right side
    637,067.22x = 307,650,226,477.35
  5. Step 5: Solve for x
    x = 307,650,226,477.35/637,067.22
  6. Step 6: Final answer
    x = 482,916.43

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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.