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Finding the Fourth Proportional to 756.54, 1,044 and 441.99

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Solution

The fourth proportional to 756.54, 1,044 and 441.99 is: 609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.54 : 1,044 = 441.99 : x
  2. Step 2: Convert to fraction form
    756.54/1,044 = 441.99/x
  3. Step 3: Cross multiply
    756.54x = 1,044 × 441.99
  4. Step 4: Simplify right side
    756.54x = 461,437.56
  5. Step 5: Solve for x
    x = 461,437.56/756.54
  6. Step 6: Final answer
    x = 609.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.