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Finding the Fourth Proportional to 653,950.54, 981,113.37 and 274,676.19

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Solution

The fourth proportional to 653,950.54, 981,113.37 and 274,676.19 is: 412,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,950.54 : 981,113.37 = 274,676.19 : x
  2. Step 2: Convert to fraction form
    653,950.54/981,113.37 = 274,676.19/x
  3. Step 3: Cross multiply
    653,950.54x = 981,113.37 × 274,676.19
  4. Step 4: Simplify right side
    653,950.54x = 269,488,482,429.66
  5. Step 5: Solve for x
    x = 269,488,482,429.66/653,950.54
  6. Step 6: Final answer
    x = 412,093.07

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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.