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Finding the Fourth Proportional to 368,665.92, 508,760.10 and 207,523.44

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Solution

The fourth proportional to 368,665.92, 508,760.10 and 207,523.44 is: 286,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,665.92 : 508,760.10 = 207,523.44 : x
  2. Step 2: Convert to fraction form
    368,665.92/508,760.10 = 207,523.44/x
  3. Step 3: Cross multiply
    368,665.92x = 508,760.10 × 207,523.44
  4. Step 4: Simplify right side
    368,665.92x = 105,579,646,086.74
  5. Step 5: Solve for x
    x = 105,579,646,086.74/368,665.92
  6. Step 6: Final answer
    x = 286,382.98

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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.