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Finding the Fourth Proportional to 594.99, 892.49 and 491.31

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Solution

The fourth proportional to 594.99, 892.49 and 491.31 is: 736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.99 : 892.49 = 491.31 : x
  2. Step 2: Convert to fraction form
    594.99/892.49 = 491.31/x
  3. Step 3: Cross multiply
    594.99x = 892.49 × 491.31
  4. Step 4: Simplify right side
    594.99x = 438,486.81
  5. Step 5: Solve for x
    x = 438,486.81/594.99
  6. Step 6: Final answer
    x = 736.97

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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.