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Finding the Fourth Proportional to 598.66, 826.16 and 349.94

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Solution

The fourth proportional to 598.66, 826.16 and 349.94 is: 482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.66 : 826.16 = 349.94 : x
  2. Step 2: Convert to fraction form
    598.66/826.16 = 349.94/x
  3. Step 3: Cross multiply
    598.66x = 826.16 × 349.94
  4. Step 4: Simplify right side
    598.66x = 289,106.75
  5. Step 5: Solve for x
    x = 289,106.75/598.66
  6. Step 6: Final answer
    x = 482.93

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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.