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Finding the Fourth Proportional to 464.10, 696.17 and 190.00

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Solution

The fourth proportional to 464.10, 696.17 and 190.00 is: 285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.10 : 696.17 = 190.00 : x
  2. Step 2: Convert to fraction form
    464.10/696.17 = 190.00/x
  3. Step 3: Cross multiply
    464.10x = 696.17 × 190.00
  4. Step 4: Simplify right side
    464.10x = 132,269.61
  5. Step 5: Solve for x
    x = 132,269.61/464.10
  6. Step 6: Final answer
    x = 285.00

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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.