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Finding the Fourth Proportional to 797.42, 1,196.06 and 474.81

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Solution

The fourth proportional to 797.42, 1,196.06 and 474.81 is: 712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.42 : 1,196.06 = 474.81 : x
  2. Step 2: Convert to fraction form
    797.42/1,196.06 = 474.81/x
  3. Step 3: Cross multiply
    797.42x = 1,196.06 × 474.81
  4. Step 4: Simplify right side
    797.42x = 567,898.87
  5. Step 5: Solve for x
    x = 567,898.87/797.42
  6. Step 6: Final answer
    x = 712.17

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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.