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Finding the Fourth Proportional to 362,893.52, 543,175.64 and 193,991.60

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Solution

The fourth proportional to 362,893.52, 543,175.64 and 193,991.60 is: 290,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,893.52 : 543,175.64 = 193,991.60 : x
  2. Step 2: Convert to fraction form
    362,893.52/543,175.64 = 193,991.60/x
  3. Step 3: Cross multiply
    362,893.52x = 543,175.64 × 193,991.60
  4. Step 4: Simplify right side
    362,893.52x = 105,371,511,484.62
  5. Step 5: Solve for x
    x = 105,371,511,484.62/362,893.52
  6. Step 6: Final answer
    x = 290,364.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.