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Finding the Fourth Proportional to 1,546.86, 2,319.83 and 450.88

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Solution

The fourth proportional to 1,546.86, 2,319.83 and 450.88 is: 676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.86 : 2,319.83 = 450.88 : x
  2. Step 2: Convert to fraction form
    1,546.86/2,319.83 = 450.88/x
  3. Step 3: Cross multiply
    1,546.86x = 2,319.83 × 450.88
  4. Step 4: Simplify right side
    1,546.86x = 1,045,953.35
  5. Step 5: Solve for x
    x = 1,045,953.35/1,546.86
  6. Step 6: Final answer
    x = 676.18

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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.