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Finding the Fourth Proportional to 1,116, 1,674 and 508

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Solution

The fourth proportional to 1,116, 1,674 and 508 is: 762

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116 : 1,674 = 508 : x
  2. Step 2: Convert to fraction form
    1,116/1,674 = 508/x
  3. Step 3: Cross multiply
    1,116x = 1,674 × 508
  4. Step 4: Simplify right side
    1,116x = 850,392
  5. Step 5: Solve for x
    x = 850,392/1,116
  6. Step 6: Final answer
    x = 762

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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.