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Finding the Fourth Proportional to 368,179.94, 508,025.04 and 207,012.62

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Solution

The fourth proportional to 368,179.94, 508,025.04 and 207,012.62 is: 285,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,179.94 : 508,025.04 = 207,012.62 : x
  2. Step 2: Convert to fraction form
    368,179.94/508,025.04 = 207,012.62/x
  3. Step 3: Cross multiply
    368,179.94x = 508,025.04 × 207,012.62
  4. Step 4: Simplify right side
    368,179.94x = 105,167,594,556.01
  5. Step 5: Solve for x
    x = 105,167,594,556.01/368,179.94
  6. Step 6: Final answer
    x = 285,641.84

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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.