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Finding the Fourth Proportional to 795.18, 1,192.68 and 356.28

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Solution

The fourth proportional to 795.18, 1,192.68 and 356.28 is: 534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.18 : 1,192.68 = 356.28 : x
  2. Step 2: Convert to fraction form
    795.18/1,192.68 = 356.28/x
  3. Step 3: Cross multiply
    795.18x = 1,192.68 × 356.28
  4. Step 4: Simplify right side
    795.18x = 424,928.03
  5. Step 5: Solve for x
    x = 424,928.03/795.18
  6. Step 6: Final answer
    x = 534.38

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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.