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Finding the Fourth Proportional to 482,226.30, 723,369.53 and 127,240.67

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Solution

The fourth proportional to 482,226.30, 723,369.53 and 127,240.67 is: 190,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,226.30 : 723,369.53 = 127,240.67 : x
  2. Step 2: Convert to fraction form
    482,226.30/723,369.53 = 127,240.67/x
  3. Step 3: Cross multiply
    482,226.30x = 723,369.53 × 127,240.67
  4. Step 4: Simplify right side
    482,226.30x = 92,042,025,781.31
  5. Step 5: Solve for x
    x = 92,042,025,781.31/482,226.30
  6. Step 6: Final answer
    x = 190,868.95

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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.