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Finding the Fourth Proportional to 368,204.49, 508,063.01 and 207,049.91

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Solution

The fourth proportional to 368,204.49, 508,063.01 and 207,049.91 is: 285,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,204.49 : 508,063.01 = 207,049.91 : x
  2. Step 2: Convert to fraction form
    368,204.49/508,063.01 = 207,049.91/x
  3. Step 3: Cross multiply
    368,204.49x = 508,063.01 × 207,049.91
  4. Step 4: Simplify right side
    368,204.49x = 105,194,396,919.27
  5. Step 5: Solve for x
    x = 105,194,396,919.27/368,204.49
  6. Step 6: Final answer
    x = 285,695.58

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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.