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Finding the Fourth Proportional to 384.13, 575.59 and 167.46

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Solution

The fourth proportional to 384.13, 575.59 and 167.46 is: 250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.13 : 575.59 = 167.46 : x
  2. Step 2: Convert to fraction form
    384.13/575.59 = 167.46/x
  3. Step 3: Cross multiply
    384.13x = 575.59 × 167.46
  4. Step 4: Simplify right side
    384.13x = 96,388.30
  5. Step 5: Solve for x
    x = 96,388.30/384.13
  6. Step 6: Final answer
    x = 250.93

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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.