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Finding the Fourth Proportional to 354,033.28, 488,561.44 and 192,895.04

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Solution

The fourth proportional to 354,033.28, 488,561.44 and 192,895.04 is: 266,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,033.28 : 488,561.44 = 192,895.04 : x
  2. Step 2: Convert to fraction form
    354,033.28/488,561.44 = 192,895.04/x
  3. Step 3: Cross multiply
    354,033.28x = 488,561.44 × 192,895.04
  4. Step 4: Simplify right side
    354,033.28x = 94,241,078,511.26
  5. Step 5: Solve for x
    x = 94,241,078,511.26/354,033.28
  6. Step 6: Final answer
    x = 266,192.71

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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.