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Finding the Fourth Proportional to 468.95, 704.46 and 237.78

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Solution

The fourth proportional to 468.95, 704.46 and 237.78 is: 357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.95 : 704.46 = 237.78 : x
  2. Step 2: Convert to fraction form
    468.95/704.46 = 237.78/x
  3. Step 3: Cross multiply
    468.95x = 704.46 × 237.78
  4. Step 4: Simplify right side
    468.95x = 167,506.50
  5. Step 5: Solve for x
    x = 167,506.50/468.95
  6. Step 6: Final answer
    x = 357.19

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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.