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Finding the Fourth Proportional to 1,676.83, 2,314.14 and 930.82

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Solution

The fourth proportional to 1,676.83, 2,314.14 and 930.82 is: 1,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.83 : 2,314.14 = 930.82 : x
  2. Step 2: Convert to fraction form
    1,676.83/2,314.14 = 930.82/x
  3. Step 3: Cross multiply
    1,676.83x = 2,314.14 × 930.82
  4. Step 4: Simplify right side
    1,676.83x = 2,154,047.79
  5. Step 5: Solve for x
    x = 2,154,047.79/1,676.83
  6. Step 6: Final answer
    x = 1,284.60

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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.