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Finding the Fourth Proportional to 961.98, 1,443.90 and 597.48

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Solution

The fourth proportional to 961.98, 1,443.90 and 597.48 is: 896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.98 : 1,443.90 = 597.48 : x
  2. Step 2: Convert to fraction form
    961.98/1,443.90 = 597.48/x
  3. Step 3: Cross multiply
    961.98x = 1,443.90 × 597.48
  4. Step 4: Simplify right side
    961.98x = 862,701.37
  5. Step 5: Solve for x
    x = 862,701.37/961.98
  6. Step 6: Final answer
    x = 896.80

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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.