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Finding the Fourth Proportional to 1,064.41, 1,597.06 and 448.25

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Solution

The fourth proportional to 1,064.41, 1,597.06 and 448.25 is: 672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.41 : 1,597.06 = 448.25 : x
  2. Step 2: Convert to fraction form
    1,064.41/1,597.06 = 448.25/x
  3. Step 3: Cross multiply
    1,064.41x = 1,597.06 × 448.25
  4. Step 4: Simplify right side
    1,064.41x = 715,874.16
  5. Step 5: Solve for x
    x = 715,874.16/1,064.41
  6. Step 6: Final answer
    x = 672.56

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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.