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Finding the Fourth Proportional to 350.16, 482.91 and 210.30

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Solution

The fourth proportional to 350.16, 482.91 and 210.30 is: 290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.16 : 482.91 = 210.30 : x
  2. Step 2: Convert to fraction form
    350.16/482.91 = 210.30/x
  3. Step 3: Cross multiply
    350.16x = 482.91 × 210.30
  4. Step 4: Simplify right side
    350.16x = 101,555.97
  5. Step 5: Solve for x
    x = 101,555.97/350.16
  6. Step 6: Final answer
    x = 290.03

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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.