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Finding the Fourth Proportional to 329,386.46, 493,958.67 and 113,183.88

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Solution

The fourth proportional to 329,386.46, 493,958.67 and 113,183.88 is: 169,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,386.46 : 493,958.67 = 113,183.88 : x
  2. Step 2: Convert to fraction form
    329,386.46/493,958.67 = 113,183.88/x
  3. Step 3: Cross multiply
    329,386.46x = 493,958.67 × 113,183.88
  4. Step 4: Simplify right side
    329,386.46x = 55,908,158,830.24
  5. Step 5: Solve for x
    x = 55,908,158,830.24/329,386.46
  6. Step 6: Final answer
    x = 169,734.24

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Why These Related Problems?

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