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Finding the Fourth Proportional to 1,064.22, 1,597.41 and 448.35

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Solution

The fourth proportional to 1,064.22, 1,597.41 and 448.35 is: 672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.22 : 1,597.41 = 448.35 : x
  2. Step 2: Convert to fraction form
    1,064.22/1,597.41 = 448.35/x
  3. Step 3: Cross multiply
    1,064.22x = 1,597.41 × 448.35
  4. Step 4: Simplify right side
    1,064.22x = 716,198.77
  5. Step 5: Solve for x
    x = 716,198.77/1,064.22
  6. Step 6: Final answer
    x = 672.98

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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.