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Finding the Fourth Proportional to 798.06, 1,196.22 and 336.09

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Solution

The fourth proportional to 798.06, 1,196.22 and 336.09 is: 503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.06 : 1,196.22 = 336.09 : x
  2. Step 2: Convert to fraction form
    798.06/1,196.22 = 336.09/x
  3. Step 3: Cross multiply
    798.06x = 1,196.22 × 336.09
  4. Step 4: Simplify right side
    798.06x = 402,037.58
  5. Step 5: Solve for x
    x = 402,037.58/798.06
  6. Step 6: Final answer
    x = 503.77

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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.