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Finding the Fourth Proportional to 1,546.94, 2,319.38 and 998.82

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Solution

The fourth proportional to 1,546.94, 2,319.38 and 998.82 is: 1,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.94 : 2,319.38 = 998.82 : x
  2. Step 2: Convert to fraction form
    1,546.94/2,319.38 = 998.82/x
  3. Step 3: Cross multiply
    1,546.94x = 2,319.38 × 998.82
  4. Step 4: Simplify right side
    1,546.94x = 2,316,638.14
  5. Step 5: Solve for x
    x = 2,316,638.14/1,546.94
  6. Step 6: Final answer
    x = 1,497.57

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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.