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Finding the Fourth Proportional to 1,194.87, 1,648.53 and 697.44

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Solution

The fourth proportional to 1,194.87, 1,648.53 and 697.44 is: 962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.87 : 1,648.53 = 697.44 : x
  2. Step 2: Convert to fraction form
    1,194.87/1,648.53 = 697.44/x
  3. Step 3: Cross multiply
    1,194.87x = 1,648.53 × 697.44
  4. Step 4: Simplify right side
    1,194.87x = 1,149,750.76
  5. Step 5: Solve for x
    x = 1,149,750.76/1,194.87
  6. Step 6: Final answer
    x = 962.24

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Double scale
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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.