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Finding the Fourth Proportional to 368,190.93, 508,100.28 and 207,042.54

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Solution

The fourth proportional to 368,190.93, 508,100.28 and 207,042.54 is: 285,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,190.93 : 508,100.28 = 207,042.54 : x
  2. Step 2: Convert to fraction form
    368,190.93/508,100.28 = 207,042.54/x
  3. Step 3: Cross multiply
    368,190.93x = 508,100.28 × 207,042.54
  4. Step 4: Simplify right side
    368,190.93x = 105,198,371,510.70
  5. Step 5: Solve for x
    x = 105,198,371,510.70/368,190.93
  6. Step 6: Final answer
    x = 285,716.90

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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.