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Finding the Fourth Proportional to 483,841.92, 726,042.76 and 199,479.48

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Solution

The fourth proportional to 483,841.92, 726,042.76 and 199,479.48 is: 299,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,841.92 : 726,042.76 = 199,479.48 : x
  2. Step 2: Convert to fraction form
    483,841.92/726,042.76 = 199,479.48/x
  3. Step 3: Cross multiply
    483,841.92x = 726,042.76 × 199,479.48
  4. Step 4: Simplify right side
    483,841.92x = 144,830,629,001.21
  5. Step 5: Solve for x
    x = 144,830,629,001.21/483,841.92
  6. Step 6: Final answer
    x = 299,334.60

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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.