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Finding the Fourth Proportional to 355.93, 534.08 and 173.32

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Solution

The fourth proportional to 355.93, 534.08 and 173.32 is: 260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.93 : 534.08 = 173.32 : x
  2. Step 2: Convert to fraction form
    355.93/534.08 = 173.32/x
  3. Step 3: Cross multiply
    355.93x = 534.08 × 173.32
  4. Step 4: Simplify right side
    355.93x = 92,567.87
  5. Step 5: Solve for x
    x = 92,567.87/355.93
  6. Step 6: Final answer
    x = 260.07

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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.