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Finding the Fourth Proportional to 795.57, 1,192.55 and 548.93

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Solution

The fourth proportional to 795.57, 1,192.55 and 548.93 is: 822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.57 : 1,192.55 = 548.93 : x
  2. Step 2: Convert to fraction form
    795.57/1,192.55 = 548.93/x
  3. Step 3: Cross multiply
    795.57x = 1,192.55 × 548.93
  4. Step 4: Simplify right side
    795.57x = 654,617.76
  5. Step 5: Solve for x
    x = 654,617.76/795.57
  6. Step 6: Final answer
    x = 822.83

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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.