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Finding the Fourth Proportional to 307,672.70, 460,731.45 and 245,464.70

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Solution

The fourth proportional to 307,672.70, 460,731.45 and 245,464.70 is: 367,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,672.70 : 460,731.45 = 245,464.70 : x
  2. Step 2: Convert to fraction form
    307,672.70/460,731.45 = 245,464.70/x
  3. Step 3: Cross multiply
    307,672.70x = 460,731.45 × 245,464.70
  4. Step 4: Simplify right side
    307,672.70x = 113,093,307,154.82
  5. Step 5: Solve for x
    x = 113,093,307,154.82/307,672.70
  6. Step 6: Final answer
    x = 367,576.67

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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.