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Finding the Fourth Proportional to 359.16, 538.47 and 176.46

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Solution

The fourth proportional to 359.16, 538.47 and 176.46 is: 264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.16 : 538.47 = 176.46 : x
  2. Step 2: Convert to fraction form
    359.16/538.47 = 176.46/x
  3. Step 3: Cross multiply
    359.16x = 538.47 × 176.46
  4. Step 4: Simplify right side
    359.16x = 95,018.42
  5. Step 5: Solve for x
    x = 95,018.42/359.16
  6. Step 6: Final answer
    x = 264.56

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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.