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Finding the Fourth Proportional to 328,940.59, 453,941.72 and 192,976.87

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Solution

The fourth proportional to 328,940.59, 453,941.72 and 192,976.87 is: 266,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,940.59 : 453,941.72 = 192,976.87 : x
  2. Step 2: Convert to fraction form
    328,940.59/453,941.72 = 192,976.87/x
  3. Step 3: Cross multiply
    328,940.59x = 453,941.72 × 192,976.87
  4. Step 4: Simplify right side
    328,940.59x = 87,600,252,288.02
  5. Step 5: Solve for x
    x = 87,600,252,288.02/328,940.59
  6. Step 6: Final answer
    x = 266,310.25

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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.