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Finding the Fourth Proportional to 1,173.93, 1,760.45 and 352.23

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Solution

The fourth proportional to 1,173.93, 1,760.45 and 352.23 is: 528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.93 : 1,760.45 = 352.23 : x
  2. Step 2: Convert to fraction form
    1,173.93/1,760.45 = 352.23/x
  3. Step 3: Cross multiply
    1,173.93x = 1,760.45 × 352.23
  4. Step 4: Simplify right side
    1,173.93x = 620,081.54
  5. Step 5: Solve for x
    x = 620,081.54/1,173.93
  6. Step 6: Final answer
    x = 528.21

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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.