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Finding the Fourth Proportional to 1,104.46, 1,656.17 and 488.34

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Solution

The fourth proportional to 1,104.46, 1,656.17 and 488.34 is: 732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.46 : 1,656.17 = 488.34 : x
  2. Step 2: Convert to fraction form
    1,104.46/1,656.17 = 488.34/x
  3. Step 3: Cross multiply
    1,104.46x = 1,656.17 × 488.34
  4. Step 4: Simplify right side
    1,104.46x = 808,774.06
  5. Step 5: Solve for x
    x = 808,774.06/1,104.46
  6. Step 6: Final answer
    x = 732.28

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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.