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Finding the Fourth Proportional to 998.92, 1,496.76 and 895.65

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Solution

The fourth proportional to 998.92, 1,496.76 and 895.65 is: 1,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    998.92 : 1,496.76 = 895.65 : x
  2. Step 2: Convert to fraction form
    998.92/1,496.76 = 895.65/x
  3. Step 3: Cross multiply
    998.92x = 1,496.76 × 895.65
  4. Step 4: Simplify right side
    998.92x = 1,340,573.09
  5. Step 5: Solve for x
    x = 1,340,573.09/998.92
  6. Step 6: Final answer
    x = 1,342.02

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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.