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Finding the Fourth Proportional to 354,063.70, 488,601.73 and 192,920.10

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Solution

The fourth proportional to 354,063.70, 488,601.73 and 192,920.10 is: 266,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,063.70 : 488,601.73 = 192,920.10 : x
  2. Step 2: Convert to fraction form
    354,063.70/488,601.73 = 192,920.10/x
  3. Step 3: Cross multiply
    354,063.70x = 488,601.73 × 192,920.10
  4. Step 4: Simplify right side
    354,063.70x = 94,261,094,611.77
  5. Step 5: Solve for x
    x = 94,261,094,611.77/354,063.70
  6. Step 6: Final answer
    x = 266,226.37

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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.