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Finding the Fourth Proportional to 594.98, 821.07 and 346.31

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Solution

The fourth proportional to 594.98, 821.07 and 346.31 is: 477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.98 : 821.07 = 346.31 : x
  2. Step 2: Convert to fraction form
    594.98/821.07 = 346.31/x
  3. Step 3: Cross multiply
    594.98x = 821.07 × 346.31
  4. Step 4: Simplify right side
    594.98x = 284,343.73
  5. Step 5: Solve for x
    x = 284,343.73/594.98
  6. Step 6: Final answer
    x = 477.91

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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.