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Finding the Fourth Proportional to 350,043.50, 483,062.46 and 199,140.50

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Solution

The fourth proportional to 350,043.50, 483,062.46 and 199,140.50 is: 274,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,043.50 : 483,062.46 = 199,140.50 : x
  2. Step 2: Convert to fraction form
    350,043.50/483,062.46 = 199,140.50/x
  3. Step 3: Cross multiply
    350,043.50x = 483,062.46 × 199,140.50
  4. Step 4: Simplify right side
    350,043.50x = 96,197,299,815.63
  5. Step 5: Solve for x
    x = 96,197,299,815.63/350,043.50
  6. Step 6: Final answer
    x = 274,815.27

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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.