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Finding the Fourth Proportional to 329,665.94, 454,939.20 and 178,762.94

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Solution

The fourth proportional to 329,665.94, 454,939.20 and 178,762.94 is: 246,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,665.94 : 454,939.20 = 178,762.94 : x
  2. Step 2: Convert to fraction form
    329,665.94/454,939.20 = 178,762.94/x
  3. Step 3: Cross multiply
    329,665.94x = 454,939.20 × 178,762.94
  4. Step 4: Simplify right side
    329,665.94x = 81,326,268,913.25
  5. Step 5: Solve for x
    x = 81,326,268,913.25/329,665.94
  6. Step 6: Final answer
    x = 246,692.97

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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.