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Finding the Fourth Proportional to 1,069.08, 1,604.16 and 376.08

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Solution

The fourth proportional to 1,069.08, 1,604.16 and 376.08 is: 564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.08 : 1,604.16 = 376.08 : x
  2. Step 2: Convert to fraction form
    1,069.08/1,604.16 = 376.08/x
  3. Step 3: Cross multiply
    1,069.08x = 1,604.16 × 376.08
  4. Step 4: Simplify right side
    1,069.08x = 603,292.49
  5. Step 5: Solve for x
    x = 603,292.49/1,069.08
  6. Step 6: Final answer
    x = 564.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.