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Finding the Fourth Proportional to 446.08, 616.08 and 299.32

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Solution

The fourth proportional to 446.08, 616.08 and 299.32 is: 413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.08 : 616.08 = 299.32 : x
  2. Step 2: Convert to fraction form
    446.08/616.08 = 299.32/x
  3. Step 3: Cross multiply
    446.08x = 616.08 × 299.32
  4. Step 4: Simplify right side
    446.08x = 184,405.07
  5. Step 5: Solve for x
    x = 184,405.07/446.08
  6. Step 6: Final answer
    x = 413.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.