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Finding the Fourth Proportional to 1,497.40, 2,246.82 and 676.26

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Solution

The fourth proportional to 1,497.40, 2,246.82 and 676.26 is: 1,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.40 : 2,246.82 = 676.26 : x
  2. Step 2: Convert to fraction form
    1,497.40/2,246.82 = 676.26/x
  3. Step 3: Cross multiply
    1,497.40x = 2,246.82 × 676.26
  4. Step 4: Simplify right side
    1,497.40x = 1,519,434.49
  5. Step 5: Solve for x
    x = 1,519,434.49/1,497.40
  6. Step 6: Final answer
    x = 1,014.72

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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.