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Finding the Fourth Proportional to 795.96, 1,193.86 and 275.87

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Solution

The fourth proportional to 795.96, 1,193.86 and 275.87 is: 413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.96 : 1,193.86 = 275.87 : x
  2. Step 2: Convert to fraction form
    795.96/1,193.86 = 275.87/x
  3. Step 3: Cross multiply
    795.96x = 1,193.86 × 275.87
  4. Step 4: Simplify right side
    795.96x = 329,342.81
  5. Step 5: Solve for x
    x = 329,342.81/795.96
  6. Step 6: Final answer
    x = 413.77

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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.