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Finding the Fourth Proportional to 275.60, 413.68 and 184

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Solution

The fourth proportional to 275.60, 413.68 and 184 is: 276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.60 : 413.68 = 184 : x
  2. Step 2: Convert to fraction form
    275.60/413.68 = 184/x
  3. Step 3: Cross multiply
    275.60x = 413.68 × 184
  4. Step 4: Simplify right side
    275.60x = 76,117.12
  5. Step 5: Solve for x
    x = 76,117.12/275.60
  6. Step 6: Final answer
    x = 276.19

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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.