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Finding the Fourth Proportional to 573.66, 860.94 and 299.88

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Solution

The fourth proportional to 573.66, 860.94 and 299.88 is: 450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.66 : 860.94 = 299.88 : x
  2. Step 2: Convert to fraction form
    573.66/860.94 = 299.88/x
  3. Step 3: Cross multiply
    573.66x = 860.94 × 299.88
  4. Step 4: Simplify right side
    573.66x = 258,178.69
  5. Step 5: Solve for x
    x = 258,178.69/573.66
  6. Step 6: Final answer
    x = 450.06

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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.