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Finding the Fourth Proportional to 623.65, 935.82 and 233.92

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Solution

The fourth proportional to 623.65, 935.82 and 233.92 is: 351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.65 : 935.82 = 233.92 : x
  2. Step 2: Convert to fraction form
    623.65/935.82 = 233.92/x
  3. Step 3: Cross multiply
    623.65x = 935.82 × 233.92
  4. Step 4: Simplify right side
    623.65x = 218,901.17
  5. Step 5: Solve for x
    x = 218,901.17/623.65
  6. Step 6: Final answer
    x = 351.00

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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.