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Finding the Fourth Proportional to 797.04, 1,195.44 and 386.08

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Solution

The fourth proportional to 797.04, 1,195.44 and 386.08 is: 579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.04 : 1,195.44 = 386.08 : x
  2. Step 2: Convert to fraction form
    797.04/1,195.44 = 386.08/x
  3. Step 3: Cross multiply
    797.04x = 1,195.44 × 386.08
  4. Step 4: Simplify right side
    797.04x = 461,535.48
  5. Step 5: Solve for x
    x = 461,535.48/797.04
  6. Step 6: Final answer
    x = 579.06

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1.5x scale

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.