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Finding the Fourth Proportional to 598.63, 898.01 and 338.48

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Solution

The fourth proportional to 598.63, 898.01 and 338.48 is: 507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.63 : 898.01 = 338.48 : x
  2. Step 2: Convert to fraction form
    598.63/898.01 = 338.48/x
  3. Step 3: Cross multiply
    598.63x = 898.01 × 338.48
  4. Step 4: Simplify right side
    598.63x = 303,956.73
  5. Step 5: Solve for x
    x = 303,956.73/598.63
  6. Step 6: Final answer
    x = 507.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.