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Finding the Fourth Proportional to 469.67, 704.60 and 277.25

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Solution

The fourth proportional to 469.67, 704.60 and 277.25 is: 415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.67 : 704.60 = 277.25 : x
  2. Step 2: Convert to fraction form
    469.67/704.60 = 277.25/x
  3. Step 3: Cross multiply
    469.67x = 704.60 × 277.25
  4. Step 4: Simplify right side
    469.67x = 195,350.35
  5. Step 5: Solve for x
    x = 195,350.35/469.67
  6. Step 6: Final answer
    x = 415.93

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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.