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Finding the Fourth Proportional to 368,068.55, 507,935.39 and 206,924.92

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Solution

The fourth proportional to 368,068.55, 507,935.39 and 206,924.92 is: 285,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,068.55 : 507,935.39 = 206,924.92 : x
  2. Step 2: Convert to fraction form
    368,068.55/507,935.39 = 206,924.92/x
  3. Step 3: Cross multiply
    368,068.55x = 507,935.39 × 206,924.92
  4. Step 4: Simplify right side
    368,068.55x = 105,104,489,940.92
  5. Step 5: Solve for x
    x = 105,104,489,940.92/368,068.55
  6. Step 6: Final answer
    x = 285,556.83

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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.