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Finding the Fourth Proportional to 536.95, 741.23 and 357.49

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Solution

The fourth proportional to 536.95, 741.23 and 357.49 is: 493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.95 : 741.23 = 357.49 : x
  2. Step 2: Convert to fraction form
    536.95/741.23 = 357.49/x
  3. Step 3: Cross multiply
    536.95x = 741.23 × 357.49
  4. Step 4: Simplify right side
    536.95x = 264,982.31
  5. Step 5: Solve for x
    x = 264,982.31/536.95
  6. Step 6: Final answer
    x = 493.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.