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Finding the Fourth Proportional to 359.98, 539.54 and 206.01

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Solution

The fourth proportional to 359.98, 539.54 and 206.01 is: 308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.98 : 539.54 = 206.01 : x
  2. Step 2: Convert to fraction form
    359.98/539.54 = 206.01/x
  3. Step 3: Cross multiply
    359.98x = 539.54 × 206.01
  4. Step 4: Simplify right side
    359.98x = 111,148.26
  5. Step 5: Solve for x
    x = 111,148.26/359.98
  6. Step 6: Final answer
    x = 308.77

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