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Finding the Fourth Proportional to 464.18, 696.53 and 190.46

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Solution

The fourth proportional to 464.18, 696.53 and 190.46 is: 285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.18 : 696.53 = 190.46 : x
  2. Step 2: Convert to fraction form
    464.18/696.53 = 190.46/x
  3. Step 3: Cross multiply
    464.18x = 696.53 × 190.46
  4. Step 4: Simplify right side
    464.18x = 132,663.32
  5. Step 5: Solve for x
    x = 132,663.32/464.18
  6. Step 6: Final answer
    x = 285.80

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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.