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Finding the Fourth Proportional to 329,336.28, 454,484.12 and 178,433.28

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Solution

The fourth proportional to 329,336.28, 454,484.12 and 178,433.28 is: 246,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,336.28 : 454,484.12 = 178,433.28 : x
  2. Step 2: Convert to fraction form
    329,336.28/454,484.12 = 178,433.28/x
  3. Step 3: Cross multiply
    329,336.28x = 454,484.12 × 178,433.28
  4. Step 4: Simplify right side
    329,336.28x = 81,095,091,347.35
  5. Step 5: Solve for x
    x = 81,095,091,347.35/329,336.28
  6. Step 6: Final answer
    x = 246,237.95

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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.