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Finding the Fourth Proportional to 598.32, 826.07 and 488.06

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Solution

The fourth proportional to 598.32, 826.07 and 488.06 is: 673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.32 : 826.07 = 488.06 : x
  2. Step 2: Convert to fraction form
    598.32/826.07 = 488.06/x
  3. Step 3: Cross multiply
    598.32x = 826.07 × 488.06
  4. Step 4: Simplify right side
    598.32x = 403,165.15
  5. Step 5: Solve for x
    x = 403,165.15/598.32
  6. Step 6: Final answer
    x = 673.83

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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.