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Finding the Fourth Proportional to 1,297.56, 1,946.97 and 567.04

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Solution

The fourth proportional to 1,297.56, 1,946.97 and 567.04 is: 850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297.56 : 1,946.97 = 567.04 : x
  2. Step 2: Convert to fraction form
    1,297.56/1,946.97 = 567.04/x
  3. Step 3: Cross multiply
    1,297.56x = 1,946.97 × 567.04
  4. Step 4: Simplify right side
    1,297.56x = 1,104,009.87
  5. Step 5: Solve for x
    x = 1,104,009.87/1,297.56
  6. Step 6: Final answer
    x = 850.84

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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.