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Finding the Fourth Proportional to 1,491.93, 2,236.71 and 567.30

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Solution

The fourth proportional to 1,491.93, 2,236.71 and 567.30 is: 850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.93 : 2,236.71 = 567.30 : x
  2. Step 2: Convert to fraction form
    1,491.93/2,236.71 = 567.30/x
  3. Step 3: Cross multiply
    1,491.93x = 2,236.71 × 567.30
  4. Step 4: Simplify right side
    1,491.93x = 1,268,885.58
  5. Step 5: Solve for x
    x = 1,268,885.58/1,491.93
  6. Step 6: Final answer
    x = 850.50

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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.