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Finding the Fourth Proportional to 1,482.68, 2,046.25 and 819.59

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Solution

The fourth proportional to 1,482.68, 2,046.25 and 819.59 is: 1,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.68 : 2,046.25 = 819.59 : x
  2. Step 2: Convert to fraction form
    1,482.68/2,046.25 = 819.59/x
  3. Step 3: Cross multiply
    1,482.68x = 2,046.25 × 819.59
  4. Step 4: Simplify right side
    1,482.68x = 1,677,076.83
  5. Step 5: Solve for x
    x = 1,677,076.83/1,482.68
  6. Step 6: Final answer
    x = 1,131.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.