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Finding the Fourth Proportional to 596.57, 895.08 and 318.92

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Solution

The fourth proportional to 596.57, 895.08 and 318.92 is: 478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.57 : 895.08 = 318.92 : x
  2. Step 2: Convert to fraction form
    596.57/895.08 = 318.92/x
  3. Step 3: Cross multiply
    596.57x = 895.08 × 318.92
  4. Step 4: Simplify right side
    596.57x = 285,454.44
  5. Step 5: Solve for x
    x = 285,454.44/596.57
  6. Step 6: Final answer
    x = 478.50

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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.