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Finding the Fourth Proportional to 1,195.04, 1,649.34 and 697.97

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Solution

The fourth proportional to 1,195.04, 1,649.34 and 697.97 is: 963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.04 : 1,649.34 = 697.97 : x
  2. Step 2: Convert to fraction form
    1,195.04/1,649.34 = 697.97/x
  3. Step 3: Cross multiply
    1,195.04x = 1,649.34 × 697.97
  4. Step 4: Simplify right side
    1,195.04x = 1,151,181.59
  5. Step 5: Solve for x
    x = 1,151,181.59/1,195.04
  6. Step 6: Final answer
    x = 963.30

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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.