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Finding the Fourth Proportional to 2,316.58, 3,474.60 and 929.86

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Solution

The fourth proportional to 2,316.58, 3,474.60 and 929.86 is: 1,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.58 : 3,474.60 = 929.86 : x
  2. Step 2: Convert to fraction form
    2,316.58/3,474.60 = 929.86/x
  3. Step 3: Cross multiply
    2,316.58x = 3,474.60 × 929.86
  4. Step 4: Simplify right side
    2,316.58x = 3,230,891.56
  5. Step 5: Solve for x
    x = 3,230,891.56/2,316.58
  6. Step 6: Final answer
    x = 1,394.68

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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.