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Finding the Fourth Proportional to 598.92, 896.95 and 381.84

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Solution

The fourth proportional to 598.92, 896.95 and 381.84 is: 571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.92 : 896.95 = 381.84 : x
  2. Step 2: Convert to fraction form
    598.92/896.95 = 381.84/x
  3. Step 3: Cross multiply
    598.92x = 896.95 × 381.84
  4. Step 4: Simplify right side
    598.92x = 342,491.39
  5. Step 5: Solve for x
    x = 342,491.39/598.92
  6. Step 6: Final answer
    x = 571.85

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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.