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Finding the Fourth Proportional to 355.95, 534.03 and 173.35

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Solution

The fourth proportional to 355.95, 534.03 and 173.35 is: 260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.95 : 534.03 = 173.35 : x
  2. Step 2: Convert to fraction form
    355.95/534.03 = 173.35/x
  3. Step 3: Cross multiply
    355.95x = 534.03 × 173.35
  4. Step 4: Simplify right side
    355.95x = 92,574.10
  5. Step 5: Solve for x
    x = 92,574.10/355.95
  6. Step 6: Final answer
    x = 260.08

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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.