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Finding the Fourth Proportional to 964.80, 1,444.32 and 598.44

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Solution

The fourth proportional to 964.80, 1,444.32 and 598.44 is: 895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.80 : 1,444.32 = 598.44 : x
  2. Step 2: Convert to fraction form
    964.80/1,444.32 = 598.44/x
  3. Step 3: Cross multiply
    964.80x = 1,444.32 × 598.44
  4. Step 4: Simplify right side
    964.80x = 864,338.86
  5. Step 5: Solve for x
    x = 864,338.86/964.80
  6. Step 6: Final answer
    x = 895.87

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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.