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Finding the Fourth Proportional to 597.67, 824.80 and 348.98

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Solution

The fourth proportional to 597.67, 824.80 and 348.98 is: 481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.67 : 824.80 = 348.98 : x
  2. Step 2: Convert to fraction form
    597.67/824.80 = 348.98/x
  3. Step 3: Cross multiply
    597.67x = 824.80 × 348.98
  4. Step 4: Simplify right side
    597.67x = 287,837.24
  5. Step 5: Solve for x
    x = 287,837.24/597.67
  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.