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Finding the Fourth Proportional to 441,359.95, 661,521.52 and 204,201.67

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Solution

The fourth proportional to 441,359.95, 661,521.52 and 204,201.67 is: 306,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,359.95 : 661,521.52 = 204,201.67 : x
  2. Step 2: Convert to fraction form
    441,359.95/661,521.52 = 204,201.67/x
  3. Step 3: Cross multiply
    441,359.95x = 661,521.52 × 204,201.67
  4. Step 4: Simplify right side
    441,359.95x = 135,083,799,124.94
  5. Step 5: Solve for x
    x = 135,083,799,124.94/441,359.95
  6. Step 6: Final answer
    x = 306,062.66

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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.