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Finding the Fourth Proportional to 441,650.72, 662,461.96 and 185,618.94

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Solution

The fourth proportional to 441,650.72, 662,461.96 and 185,618.94 is: 278,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,650.72 : 662,461.96 = 185,618.94 : x
  2. Step 2: Convert to fraction form
    441,650.72/662,461.96 = 185,618.94/x
  3. Step 3: Cross multiply
    441,650.72x = 662,461.96 × 185,618.94
  4. Step 4: Simplify right side
    441,650.72x = 122,965,484,205.28
  5. Step 5: Solve for x
    x = 122,965,484,205.28/441,650.72
  6. Step 6: Final answer
    x = 278,422.47

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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.