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Finding the Fourth Proportional to 334.24, 501.04 and 172.16

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Solution

The fourth proportional to 334.24, 501.04 and 172.16 is: 258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.24 : 501.04 = 172.16 : x
  2. Step 2: Convert to fraction form
    334.24/501.04 = 172.16/x
  3. Step 3: Cross multiply
    334.24x = 501.04 × 172.16
  4. Step 4: Simplify right side
    334.24x = 86,259.05
  5. Step 5: Solve for x
    x = 86,259.05/334.24
  6. Step 6: Final answer
    x = 258.08

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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.