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Finding the Fourth Proportional to 336,230.10, 505,329.30 and 330,325.20

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Solution

The fourth proportional to 336,230.10, 505,329.30 and 330,325.20 is: 496,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,230.10 : 505,329.30 = 330,325.20 : x
  2. Step 2: Convert to fraction form
    336,230.10/505,329.30 = 330,325.20/x
  3. Step 3: Cross multiply
    336,230.10x = 505,329.30 × 330,325.20
  4. Step 4: Simplify right side
    336,230.10x = 166,923,002,088.36
  5. Step 5: Solve for x
    x = 166,923,002,088.36/336,230.10
  6. Step 6: Final answer
    x = 496,454.67

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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.