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Finding the Fourth Proportional to 597.40, 824.26 and 358.20

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Solution

The fourth proportional to 597.40, 824.26 and 358.20 is: 494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.40 : 824.26 = 358.20 : x
  2. Step 2: Convert to fraction form
    597.40/824.26 = 358.20/x
  3. Step 3: Cross multiply
    597.40x = 824.26 × 358.20
  4. Step 4: Simplify right side
    597.40x = 295,248.14
  5. Step 5: Solve for x
    x = 295,248.14/597.40
  6. Step 6: Final answer
    x = 494.23

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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.