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Finding the Fourth Proportional to 594.70, 820.68 and 346.06

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Solution

The fourth proportional to 594.70, 820.68 and 346.06 is: 477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.70 : 820.68 = 346.06 : x
  2. Step 2: Convert to fraction form
    594.70/820.68 = 346.06/x
  3. Step 3: Cross multiply
    594.70x = 820.68 × 346.06
  4. Step 4: Simplify right side
    594.70x = 284,004.52
  5. Step 5: Solve for x
    x = 284,004.52/594.70
  6. Step 6: Final answer
    x = 477.56

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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.