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Finding the Fourth Proportional to 464.58, 696.38 and 186.82

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Solution

The fourth proportional to 464.58, 696.38 and 186.82 is: 280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.58 : 696.38 = 186.82 : x
  2. Step 2: Convert to fraction form
    464.58/696.38 = 186.82/x
  3. Step 3: Cross multiply
    464.58x = 696.38 × 186.82
  4. Step 4: Simplify right side
    464.58x = 130,097.71
  5. Step 5: Solve for x
    x = 130,097.71/464.58
  6. Step 6: Final answer
    x = 280.03

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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.