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Finding the Fourth Proportional to 349,604.46, 482,491.19 and 213,717.96

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Solution

The fourth proportional to 349,604.46, 482,491.19 and 213,717.96 is: 294,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,604.46 : 482,491.19 = 213,717.96 : x
  2. Step 2: Convert to fraction form
    349,604.46/482,491.19 = 213,717.96/x
  3. Step 3: Cross multiply
    349,604.46x = 482,491.19 × 213,717.96
  4. Step 4: Simplify right side
    349,604.46x = 103,117,033,379.07
  5. Step 5: Solve for x
    x = 103,117,033,379.07/349,604.46
  6. Step 6: Final answer
    x = 294,953.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.