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Finding the Fourth Proportional to 854.96, 1,283.50 and 596.60

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Solution

The fourth proportional to 854.96, 1,283.50 and 596.60 is: 895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    854.96 : 1,283.50 = 596.60 : x
  2. Step 2: Convert to fraction form
    854.96/1,283.50 = 596.60/x
  3. Step 3: Cross multiply
    854.96x = 1,283.50 × 596.60
  4. Step 4: Simplify right side
    854.96x = 765,740.05
  5. Step 5: Solve for x
    x = 765,740.05/854.96
  6. Step 6: Final answer
    x = 895.65

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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.