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Finding the Fourth Proportional to 1,180.76, 1,768.70 and 692.34

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Solution

The fourth proportional to 1,180.76, 1,768.70 and 692.34 is: 1,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.76 : 1,768.70 = 692.34 : x
  2. Step 2: Convert to fraction form
    1,180.76/1,768.70 = 692.34/x
  3. Step 3: Cross multiply
    1,180.76x = 1,768.70 × 692.34
  4. Step 4: Simplify right side
    1,180.76x = 1,224,541.76
  5. Step 5: Solve for x
    x = 1,224,541.76/1,180.76
  6. Step 6: Final answer
    x = 1,037.08

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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.