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Finding the Fourth Proportional to 1,194.84, 1,648.72 and 697.44

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Solution

The fourth proportional to 1,194.84, 1,648.72 and 697.44 is: 962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.84 : 1,648.72 = 697.44 : x
  2. Step 2: Convert to fraction form
    1,194.84/1,648.72 = 697.44/x
  3. Step 3: Cross multiply
    1,194.84x = 1,648.72 × 697.44
  4. Step 4: Simplify right side
    1,194.84x = 1,149,883.28
  5. Step 5: Solve for x
    x = 1,149,883.28/1,194.84
  6. Step 6: Final answer
    x = 962.37

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1.5x scale

Why These Related Problems?

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