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Finding the Fourth Proportional to 1,174.08, 1,760.60 and 352.08

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Solution

The fourth proportional to 1,174.08, 1,760.60 and 352.08 is: 527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.08 : 1,760.60 = 352.08 : x
  2. Step 2: Convert to fraction form
    1,174.08/1,760.60 = 352.08/x
  3. Step 3: Cross multiply
    1,174.08x = 1,760.60 × 352.08
  4. Step 4: Simplify right side
    1,174.08x = 619,872.05
  5. Step 5: Solve for x
    x = 619,872.05/1,174.08
  6. Step 6: Final answer
    x = 527.96

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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.