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Finding the Fourth Proportional to 336.21, 504.54 and 174.01

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Solution

The fourth proportional to 336.21, 504.54 and 174.01 is: 261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.21 : 504.54 = 174.01 : x
  2. Step 2: Convert to fraction form
    336.21/504.54 = 174.01/x
  3. Step 3: Cross multiply
    336.21x = 504.54 × 174.01
  4. Step 4: Simplify right side
    336.21x = 87,795.01
  5. Step 5: Solve for x
    x = 87,795.01/336.21
  6. Step 6: Final answer
    x = 261.13

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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.