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Finding the Fourth Proportional to 795.94, 1,193.86 and 210.93

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Solution

The fourth proportional to 795.94, 1,193.86 and 210.93 is: 316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.94 : 1,193.86 = 210.93 : x
  2. Step 2: Convert to fraction form
    795.94/1,193.86 = 210.93/x
  3. Step 3: Cross multiply
    795.94x = 1,193.86 × 210.93
  4. Step 4: Simplify right side
    795.94x = 251,820.89
  5. Step 5: Solve for x
    x = 251,820.89/795.94
  6. Step 6: Final answer
    x = 316.38

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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.