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Finding the Fourth Proportional to 359.94, 539.12 and 176.95

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Solution

The fourth proportional to 359.94, 539.12 and 176.95 is: 265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.94 : 539.12 = 176.95 : x
  2. Step 2: Convert to fraction form
    359.94/539.12 = 176.95/x
  3. Step 3: Cross multiply
    359.94x = 539.12 × 176.95
  4. Step 4: Simplify right side
    359.94x = 95,398.40
  5. Step 5: Solve for x
    x = 95,398.40/359.94
  6. Step 6: Final answer
    x = 265.04

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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.