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Finding the Fourth Proportional to 673.66, 1,010.48 and 444

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Solution

The fourth proportional to 673.66, 1,010.48 and 444 is: 665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.66 : 1,010.48 = 444 : x
  2. Step 2: Convert to fraction form
    673.66/1,010.48 = 444/x
  3. Step 3: Cross multiply
    673.66x = 1,010.48 × 444
  4. Step 4: Simplify right side
    673.66x = 448,653.12
  5. Step 5: Solve for x
    x = 448,653.12/673.66
  6. Step 6: Final answer
    x = 665.99

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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.