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Finding the Fourth Proportional to 435.65, 601.22 and 239.16

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Solution

The fourth proportional to 435.65, 601.22 and 239.16 is: 330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.65 : 601.22 = 239.16 : x
  2. Step 2: Convert to fraction form
    435.65/601.22 = 239.16/x
  3. Step 3: Cross multiply
    435.65x = 601.22 × 239.16
  4. Step 4: Simplify right side
    435.65x = 143,786.58
  5. Step 5: Solve for x
    x = 143,786.58/435.65
  6. Step 6: Final answer
    x = 330.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.