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Finding the Fourth Proportional to 298.07, 446.93 and 264.76

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Solution

The fourth proportional to 298.07, 446.93 and 264.76 is: 396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.07 : 446.93 = 264.76 : x
  2. Step 2: Convert to fraction form
    298.07/446.93 = 264.76/x
  3. Step 3: Cross multiply
    298.07x = 446.93 × 264.76
  4. Step 4: Simplify right side
    298.07x = 118,327.74
  5. Step 5: Solve for x
    x = 118,327.74/298.07
  6. Step 6: Final answer
    x = 396.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.