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Finding the Fourth Proportional to 892.58, 1,230.46 and 597.33

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Solution

The fourth proportional to 892.58, 1,230.46 and 597.33 is: 823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.58 : 1,230.46 = 597.33 : x
  2. Step 2: Convert to fraction form
    892.58/1,230.46 = 597.33/x
  3. Step 3: Cross multiply
    892.58x = 1,230.46 × 597.33
  4. Step 4: Simplify right side
    892.58x = 734,989.18
  5. Step 5: Solve for x
    x = 734,989.18/892.58
  6. Step 6: Final answer
    x = 823.45

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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.