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Finding the Fourth Proportional to 467.54, 700.64 and 274.76

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Solution

The fourth proportional to 467.54, 700.64 and 274.76 is: 411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.54 : 700.64 = 274.76 : x
  2. Step 2: Convert to fraction form
    467.54/700.64 = 274.76/x
  3. Step 3: Cross multiply
    467.54x = 700.64 × 274.76
  4. Step 4: Simplify right side
    467.54x = 192,506.47
  5. Step 5: Solve for x
    x = 192,506.47/467.54
  6. Step 6: Final answer
    x = 411.74

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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.