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Finding the Fourth Proportional to 1,493.76, 2,240.62 and 467.76

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Solution

The fourth proportional to 1,493.76, 2,240.62 and 467.76 is: 701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.76 : 2,240.62 = 467.76 : x
  2. Step 2: Convert to fraction form
    1,493.76/2,240.62 = 467.76/x
  3. Step 3: Cross multiply
    1,493.76x = 2,240.62 × 467.76
  4. Step 4: Simplify right side
    1,493.76x = 1,048,072.41
  5. Step 5: Solve for x
    x = 1,048,072.41/1,493.76
  6. Step 6: Final answer
    x = 701.63

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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.