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Finding the Fourth Proportional to 1,264.84, 1,744.50 and 844.44

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Solution

The fourth proportional to 1,264.84, 1,744.50 and 844.44 is: 1,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.84 : 1,744.50 = 844.44 : x
  2. Step 2: Convert to fraction form
    1,264.84/1,744.50 = 844.44/x
  3. Step 3: Cross multiply
    1,264.84x = 1,744.50 × 844.44
  4. Step 4: Simplify right side
    1,264.84x = 1,473,125.58
  5. Step 5: Solve for x
    x = 1,473,125.58/1,264.84
  6. Step 6: Final answer
    x = 1,164.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.