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Finding the Fourth Proportional to 1,104.98, 1,657.01 and 488.25

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Solution

The fourth proportional to 1,104.98, 1,657.01 and 488.25 is: 732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.98 : 1,657.01 = 488.25 : x
  2. Step 2: Convert to fraction form
    1,104.98/1,657.01 = 488.25/x
  3. Step 3: Cross multiply
    1,104.98x = 1,657.01 × 488.25
  4. Step 4: Simplify right side
    1,104.98x = 809,032.69
  5. Step 5: Solve for x
    x = 809,032.69/1,104.98
  6. Step 6: Final answer
    x = 732.17

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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.