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Finding the Fourth Proportional to 789.34, 1,184.03 and 464.94

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Solution

The fourth proportional to 789.34, 1,184.03 and 464.94 is: 697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.34 : 1,184.03 = 464.94 : x
  2. Step 2: Convert to fraction form
    789.34/1,184.03 = 464.94/x
  3. Step 3: Cross multiply
    789.34x = 1,184.03 × 464.94
  4. Step 4: Simplify right side
    789.34x = 550,502.91
  5. Step 5: Solve for x
    x = 550,502.91/789.34
  6. Step 6: Final answer
    x = 697.42

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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.