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Finding the Fourth Proportional to 1,174.02, 1,761.03 and 352.38

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Solution

The fourth proportional to 1,174.02, 1,761.03 and 352.38 is: 528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.02 : 1,761.03 = 352.38 : x
  2. Step 2: Convert to fraction form
    1,174.02/1,761.03 = 352.38/x
  3. Step 3: Cross multiply
    1,174.02x = 1,761.03 × 352.38
  4. Step 4: Simplify right side
    1,174.02x = 620,551.75
  5. Step 5: Solve for x
    x = 620,551.75/1,174.02
  6. Step 6: Final answer
    x = 528.57

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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.