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Finding the Fourth Proportional to 441,299.52, 661,950.72 and 121,455.72

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Solution

The fourth proportional to 441,299.52, 661,950.72 and 121,455.72 is: 182,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,299.52 : 661,950.72 = 121,455.72 : x
  2. Step 2: Convert to fraction form
    441,299.52/661,950.72 = 121,455.72/x
  3. Step 3: Cross multiply
    441,299.52x = 661,950.72 × 121,455.72
  4. Step 4: Simplify right side
    441,299.52x = 80,397,701,302.12
  5. Step 5: Solve for x
    x = 80,397,701,302.12/441,299.52
  6. Step 6: Final answer
    x = 182,183.98

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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.