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Finding the Fourth Proportional to 961.32, 1,442.46 and 596.36

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Solution

The fourth proportional to 961.32, 1,442.46 and 596.36 is: 894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.32 : 1,442.46 = 596.36 : x
  2. Step 2: Convert to fraction form
    961.32/1,442.46 = 596.36/x
  3. Step 3: Cross multiply
    961.32x = 1,442.46 × 596.36
  4. Step 4: Simplify right side
    961.32x = 860,225.45
  5. Step 5: Solve for x
    x = 860,225.45/961.32
  6. Step 6: Final answer
    x = 894.84

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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.