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Finding the Fourth Proportional to 1,269.02, 1,903.16 and 446.83

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Solution

The fourth proportional to 1,269.02, 1,903.16 and 446.83 is: 670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269.02 : 1,903.16 = 446.83 : x
  2. Step 2: Convert to fraction form
    1,269.02/1,903.16 = 446.83/x
  3. Step 3: Cross multiply
    1,269.02x = 1,903.16 × 446.83
  4. Step 4: Simplify right side
    1,269.02x = 850,396.05
  5. Step 5: Solve for x
    x = 850,396.05/1,269.02
  6. Step 6: Final answer
    x = 670.12

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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.