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Finding the Fourth Proportional to 359.96, 539.98 and 177.35

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Solution

The fourth proportional to 359.96, 539.98 and 177.35 is: 266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.96 : 539.98 = 177.35 : x
  2. Step 2: Convert to fraction form
    359.96/539.98 = 177.35/x
  3. Step 3: Cross multiply
    359.96x = 539.98 × 177.35
  4. Step 4: Simplify right side
    359.96x = 95,762.31
  5. Step 5: Solve for x
    x = 95,762.31/359.96
  6. Step 6: Final answer
    x = 266.04

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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.