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Finding the Fourth Proportional to 359.36, 536.17 and 298.88

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Solution

The fourth proportional to 359.36, 536.17 and 298.88 is: 445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.36 : 536.17 = 298.88 : x
  2. Step 2: Convert to fraction form
    359.36/536.17 = 298.88/x
  3. Step 3: Cross multiply
    359.36x = 536.17 × 298.88
  4. Step 4: Simplify right side
    359.36x = 160,250.49
  5. Step 5: Solve for x
    x = 160,250.49/359.36
  6. Step 6: Final answer
    x = 445.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.