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Finding the Fourth Proportional to 1,104.22, 1,655.92 and 488.22

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Solution

The fourth proportional to 1,104.22, 1,655.92 and 488.22 is: 732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.22 : 1,655.92 = 488.22 : x
  2. Step 2: Convert to fraction form
    1,104.22/1,655.92 = 488.22/x
  3. Step 3: Cross multiply
    1,104.22x = 1,655.92 × 488.22
  4. Step 4: Simplify right side
    1,104.22x = 808,453.26
  5. Step 5: Solve for x
    x = 808,453.26/1,104.22
  6. Step 6: Final answer
    x = 732.15

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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.