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Finding the Fourth Proportional to 1,701, 2,551.86 and 546.84

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Solution

The fourth proportional to 1,701, 2,551.86 and 546.84 is: 820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701 : 2,551.86 = 546.84 : x
  2. Step 2: Convert to fraction form
    1,701/2,551.86 = 546.84/x
  3. Step 3: Cross multiply
    1,701x = 2,551.86 × 546.84
  4. Step 4: Simplify right side
    1,701x = 1,395,459.12
  5. Step 5: Solve for x
    x = 1,395,459.12/1,701
  6. Step 6: Final answer
    x = 820.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.