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Finding the Fourth Proportional to 1,064.85, 1,596.87 and 448.44

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Solution

The fourth proportional to 1,064.85, 1,596.87 and 448.44 is: 672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.85 : 1,596.87 = 448.44 : x
  2. Step 2: Convert to fraction form
    1,064.85/1,596.87 = 448.44/x
  3. Step 3: Cross multiply
    1,064.85x = 1,596.87 × 448.44
  4. Step 4: Simplify right side
    1,064.85x = 716,100.38
  5. Step 5: Solve for x
    x = 716,100.38/1,064.85
  6. Step 6: Final answer
    x = 672.49

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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.