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Finding the Fourth Proportional to 357.40, 536.16 and 174.77

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Solution

The fourth proportional to 357.40, 536.16 and 174.77 is: 262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.40 : 536.16 = 174.77 : x
  2. Step 2: Convert to fraction form
    357.40/536.16 = 174.77/x
  3. Step 3: Cross multiply
    357.40x = 536.16 × 174.77
  4. Step 4: Simplify right side
    357.40x = 93,704.68
  5. Step 5: Solve for x
    x = 93,704.68/357.40
  6. Step 6: Final answer
    x = 262.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.