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Finding the Fourth Proportional to 1,164.84, 1,747.26 and 395.34

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Solution

The fourth proportional to 1,164.84, 1,747.26 and 395.34 is: 593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.84 : 1,747.26 = 395.34 : x
  2. Step 2: Convert to fraction form
    1,164.84/1,747.26 = 395.34/x
  3. Step 3: Cross multiply
    1,164.84x = 1,747.26 × 395.34
  4. Step 4: Simplify right side
    1,164.84x = 690,761.77
  5. Step 5: Solve for x
    x = 690,761.77/1,164.84
  6. Step 6: Final answer
    x = 593.01

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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.