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Finding the Fourth Proportional to 1,511.97, 2,267.97 and 416.34

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Solution

The fourth proportional to 1,511.97, 2,267.97 and 416.34 is: 624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.97 : 2,267.97 = 416.34 : x
  2. Step 2: Convert to fraction form
    1,511.97/2,267.97 = 416.34/x
  3. Step 3: Cross multiply
    1,511.97x = 2,267.97 × 416.34
  4. Step 4: Simplify right side
    1,511.97x = 944,246.63
  5. Step 5: Solve for x
    x = 944,246.63/1,511.97
  6. Step 6: Final answer
    x = 624.51

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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.