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Finding the Fourth Proportional to 350,042.50, 483,061.08 and 199,139.50

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Solution

The fourth proportional to 350,042.50, 483,061.08 and 199,139.50 is: 274,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,042.50 : 483,061.08 = 199,139.50 : x
  2. Step 2: Convert to fraction form
    350,042.50/483,061.08 = 199,139.50/x
  3. Step 3: Cross multiply
    350,042.50x = 483,061.08 × 199,139.50
  4. Step 4: Simplify right side
    350,042.50x = 96,196,541,940.66
  5. Step 5: Solve for x
    x = 96,196,541,940.66/350,042.50
  6. Step 6: Final answer
    x = 274,813.89

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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.