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Finding the Fourth Proportional to 597.28, 824.84 and 474.24

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Solution

The fourth proportional to 597.28, 824.84 and 474.24 is: 654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.28 : 824.84 = 474.24 : x
  2. Step 2: Convert to fraction form
    597.28/824.84 = 474.24/x
  3. Step 3: Cross multiply
    597.28x = 824.84 × 474.24
  4. Step 4: Simplify right side
    597.28x = 391,172.12
  5. Step 5: Solve for x
    x = 391,172.12/597.28
  6. Step 6: Final answer
    x = 654.92

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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.