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Finding the Fourth Proportional to 893.42, 1,233.32 and 598.85

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Solution

The fourth proportional to 893.42, 1,233.32 and 598.85 is: 826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.42 : 1,233.32 = 598.85 : x
  2. Step 2: Convert to fraction form
    893.42/1,233.32 = 598.85/x
  3. Step 3: Cross multiply
    893.42x = 1,233.32 × 598.85
  4. Step 4: Simplify right side
    893.42x = 738,573.68
  5. Step 5: Solve for x
    x = 738,573.68/893.42
  6. Step 6: Final answer
    x = 826.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.