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Finding the Fourth Proportional to 623.36, 935.31 and 334.46

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Solution

The fourth proportional to 623.36, 935.31 and 334.46 is: 501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.36 : 935.31 = 334.46 : x
  2. Step 2: Convert to fraction form
    623.36/935.31 = 334.46/x
  3. Step 3: Cross multiply
    623.36x = 935.31 × 334.46
  4. Step 4: Simplify right side
    623.36x = 312,822.20
  5. Step 5: Solve for x
    x = 312,822.20/623.36
  6. Step 6: Final answer
    x = 501.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.