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Finding the Fourth Proportional to 597.68, 824.72 and 349.02

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Solution

The fourth proportional to 597.68, 824.72 and 349.02 is: 481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.68 : 824.72 = 349.02 : x
  2. Step 2: Convert to fraction form
    597.68/824.72 = 349.02/x
  3. Step 3: Cross multiply
    597.68x = 824.72 × 349.02
  4. Step 4: Simplify right side
    597.68x = 287,843.77
  5. Step 5: Solve for x
    x = 287,843.77/597.68
  6. Step 6: Final answer
    x = 481.60

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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.