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Finding the Fourth Proportional to 598.05, 826.20 and 473.31

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Solution

The fourth proportional to 598.05, 826.20 and 473.31 is: 653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.05 : 826.20 = 473.31 : x
  2. Step 2: Convert to fraction form
    598.05/826.20 = 473.31/x
  3. Step 3: Cross multiply
    598.05x = 826.20 × 473.31
  4. Step 4: Simplify right side
    598.05x = 391,048.72
  5. Step 5: Solve for x
    x = 391,048.72/598.05
  6. Step 6: Final answer
    x = 653.87

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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.