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Finding the Fourth Proportional to 359.64, 539.61 and 176.94

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Solution

The fourth proportional to 359.64, 539.61 and 176.94 is: 265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.64 : 539.61 = 176.94 : x
  2. Step 2: Convert to fraction form
    359.64/539.61 = 176.94/x
  3. Step 3: Cross multiply
    359.64x = 539.61 × 176.94
  4. Step 4: Simplify right side
    359.64x = 95,478.59
  5. Step 5: Solve for x
    x = 95,478.59/359.64
  6. Step 6: Final answer
    x = 265.48

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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.