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Finding the Fourth Proportional to 1,173.94, 1,760.70 and 705.70

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Solution

The fourth proportional to 1,173.94, 1,760.70 and 705.70 is: 1,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.94 : 1,760.70 = 705.70 : x
  2. Step 2: Convert to fraction form
    1,173.94/1,760.70 = 705.70/x
  3. Step 3: Cross multiply
    1,173.94x = 1,760.70 × 705.70
  4. Step 4: Simplify right side
    1,173.94x = 1,242,525.99
  5. Step 5: Solve for x
    x = 1,242,525.99/1,173.94
  6. Step 6: Final answer
    x = 1,058.42

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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.