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Finding the Fourth Proportional to 1,234.73, 1,851.54 and 464.69

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Solution

The fourth proportional to 1,234.73, 1,851.54 and 464.69 is: 696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.73 : 1,851.54 = 464.69 : x
  2. Step 2: Convert to fraction form
    1,234.73/1,851.54 = 464.69/x
  3. Step 3: Cross multiply
    1,234.73x = 1,851.54 × 464.69
  4. Step 4: Simplify right side
    1,234.73x = 860,392.12
  5. Step 5: Solve for x
    x = 860,392.12/1,234.73
  6. Step 6: Final answer
    x = 696.83

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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.