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Finding the Fourth Proportional to 888.07, 1,332.70 and 310.95

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Solution

The fourth proportional to 888.07, 1,332.70 and 310.95 is: 466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.07 : 1,332.70 = 310.95 : x
  2. Step 2: Convert to fraction form
    888.07/1,332.70 = 310.95/x
  3. Step 3: Cross multiply
    888.07x = 1,332.70 × 310.95
  4. Step 4: Simplify right side
    888.07x = 414,395.62
  5. Step 5: Solve for x
    x = 414,395.62/888.07
  6. Step 6: Final answer
    x = 466.62

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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.