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Finding the Fourth Proportional to 615.09, 848.83 and 366.41

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Solution

The fourth proportional to 615.09, 848.83 and 366.41 is: 505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.09 : 848.83 = 366.41 : x
  2. Step 2: Convert to fraction form
    615.09/848.83 = 366.41/x
  3. Step 3: Cross multiply
    615.09x = 848.83 × 366.41
  4. Step 4: Simplify right side
    615.09x = 311,016.92
  5. Step 5: Solve for x
    x = 311,016.92/615.09
  6. Step 6: Final answer
    x = 505.64

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