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Finding the Fourth Proportional to 369,676.26, 510,153.45 and 199,910.37

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Solution

The fourth proportional to 369,676.26, 510,153.45 and 199,910.37 is: 275,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,676.26 : 510,153.45 = 199,910.37 : x
  2. Step 2: Convert to fraction form
    369,676.26/510,153.45 = 199,910.37/x
  3. Step 3: Cross multiply
    369,676.26x = 510,153.45 × 199,910.37
  4. Step 4: Simplify right side
    369,676.26x = 101,984,964,946.28
  5. Step 5: Solve for x
    x = 101,984,964,946.28/369,676.26
  6. Step 6: Final answer
    x = 275,876.42

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1.5x scale

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.