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Finding the Fourth Proportional to 357.56, 536.36 and 175.12

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Solution

The fourth proportional to 357.56, 536.36 and 175.12 is: 262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.56 : 536.36 = 175.12 : x
  2. Step 2: Convert to fraction form
    357.56/536.36 = 175.12/x
  3. Step 3: Cross multiply
    357.56x = 536.36 × 175.12
  4. Step 4: Simplify right side
    357.56x = 93,927.36
  5. Step 5: Solve for x
    x = 93,927.36/357.56
  6. Step 6: Final answer
    x = 262.69

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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.