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Finding the Fourth Proportional to 795.21, 1,192.86 and 362.31

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Solution

The fourth proportional to 795.21, 1,192.86 and 362.31 is: 543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.21 : 1,192.86 = 362.31 : x
  2. Step 2: Convert to fraction form
    795.21/1,192.86 = 362.31/x
  3. Step 3: Cross multiply
    795.21x = 1,192.86 × 362.31
  4. Step 4: Simplify right side
    795.21x = 432,185.11
  5. Step 5: Solve for x
    x = 432,185.11/795.21
  6. Step 6: Final answer
    x = 543.49

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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.