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Finding the Fourth Proportional to 353,702.30, 488,094.24 and 192,554

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Solution

The fourth proportional to 353,702.30, 488,094.24 and 192,554 is: 265,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,702.30 : 488,094.24 = 192,554 : x
  2. Step 2: Convert to fraction form
    353,702.30/488,094.24 = 192,554/x
  3. Step 3: Cross multiply
    353,702.30x = 488,094.24 × 192,554
  4. Step 4: Simplify right side
    353,702.30x = 93,984,498,288.96
  5. Step 5: Solve for x
    x = 93,984,498,288.96/353,702.30
  6. Step 6: Final answer
    x = 265,716.39

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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.