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Finding the Fourth Proportional to 357.73, 536.32 and 297.25

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Solution

The fourth proportional to 357.73, 536.32 and 297.25 is: 445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.73 : 536.32 = 297.25 : x
  2. Step 2: Convert to fraction form
    357.73/536.32 = 297.25/x
  3. Step 3: Cross multiply
    357.73x = 536.32 × 297.25
  4. Step 4: Simplify right side
    357.73x = 159,421.12
  5. Step 5: Solve for x
    x = 159,421.12/357.73
  6. Step 6: Final answer
    x = 445.65

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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.