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Finding the Fourth Proportional to 1,164.84, 1,745.82 and 505.98

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Solution

The fourth proportional to 1,164.84, 1,745.82 and 505.98 is: 758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.84 : 1,745.82 = 505.98 : x
  2. Step 2: Convert to fraction form
    1,164.84/1,745.82 = 505.98/x
  3. Step 3: Cross multiply
    1,164.84x = 1,745.82 × 505.98
  4. Step 4: Simplify right side
    1,164.84x = 883,350.00
  5. Step 5: Solve for x
    x = 883,350.00/1,164.84
  6. Step 6: Final answer
    x = 758.34

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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.