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Finding the Fourth Proportional to 960.84, 1,442.64 and 597.12

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Solution

The fourth proportional to 960.84, 1,442.64 and 597.12 is: 896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.84 : 1,442.64 = 597.12 : x
  2. Step 2: Convert to fraction form
    960.84/1,442.64 = 597.12/x
  3. Step 3: Cross multiply
    960.84x = 1,442.64 × 597.12
  4. Step 4: Simplify right side
    960.84x = 861,429.20
  5. Step 5: Solve for x
    x = 861,429.20/960.84
  6. Step 6: Final answer
    x = 896.54

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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.