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Finding the Fourth Proportional to 469.55, 704.60 and 226.08

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Solution

The fourth proportional to 469.55, 704.60 and 226.08 is: 339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.55 : 704.60 = 226.08 : x
  2. Step 2: Convert to fraction form
    469.55/704.60 = 226.08/x
  3. Step 3: Cross multiply
    469.55x = 704.60 × 226.08
  4. Step 4: Simplify right side
    469.55x = 159,294.84
  5. Step 5: Solve for x
    x = 159,294.84/469.55
  6. Step 6: Final answer
    x = 339.25

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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.