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Finding the Fourth Proportional to 324,874.83, 448,147.28 and 188,893.76

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Solution

The fourth proportional to 324,874.83, 448,147.28 and 188,893.76 is: 260,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,874.83 : 448,147.28 = 188,893.76 : x
  2. Step 2: Convert to fraction form
    324,874.83/448,147.28 = 188,893.76/x
  3. Step 3: Cross multiply
    324,874.83x = 448,147.28 × 188,893.76
  4. Step 4: Simplify right side
    324,874.83x = 84,652,221,567.77
  5. Step 5: Solve for x
    x = 84,652,221,567.77/324,874.83
  6. Step 6: Final answer
    x = 260,568.73

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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.