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Finding the Fourth Proportional to 467.19, 701.46 and 284.94

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Solution

The fourth proportional to 467.19, 701.46 and 284.94 is: 427.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.19 : 701.46 = 284.94 : x
  2. Step 2: Convert to fraction form
    467.19/701.46 = 284.94/x
  3. Step 3: Cross multiply
    467.19x = 701.46 × 284.94
  4. Step 4: Simplify right side
    467.19x = 199,874.01
  5. Step 5: Solve for x
    x = 199,874.01/467.19
  6. Step 6: Final answer
    x = 427.82

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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.