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Finding the Fourth Proportional to 955.62, 1,433.15 and 493.54

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Solution

The fourth proportional to 955.62, 1,433.15 and 493.54 is: 740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.62 : 1,433.15 = 493.54 : x
  2. Step 2: Convert to fraction form
    955.62/1,433.15 = 493.54/x
  3. Step 3: Cross multiply
    955.62x = 1,433.15 × 493.54
  4. Step 4: Simplify right side
    955.62x = 707,316.85
  5. Step 5: Solve for x
    x = 707,316.85/955.62
  6. Step 6: Final answer
    x = 740.17

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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.