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Finding the Fourth Proportional to 795.16, 1,192.92 and 275.56

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Solution

The fourth proportional to 795.16, 1,192.92 and 275.56 is: 413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.16 : 1,192.92 = 275.56 : x
  2. Step 2: Convert to fraction form
    795.16/1,192.92 = 275.56/x
  3. Step 3: Cross multiply
    795.16x = 1,192.92 × 275.56
  4. Step 4: Simplify right side
    795.16x = 328,721.04
  5. Step 5: Solve for x
    x = 328,721.04/795.16
  6. Step 6: Final answer
    x = 413.40

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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.