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Finding the Fourth Proportional to 329,584, 454,825.92 and 178,681

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Solution

The fourth proportional to 329,584, 454,825.92 and 178,681 is: 246,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,584 : 454,825.92 = 178,681 : x
  2. Step 2: Convert to fraction form
    329,584/454,825.92 = 178,681/x
  3. Step 3: Cross multiply
    329,584x = 454,825.92 × 178,681
  4. Step 4: Simplify right side
    329,584x = 81,268,750,211.52
  5. Step 5: Solve for x
    x = 81,268,750,211.52/329,584
  6. Step 6: Final answer
    x = 246,579.78

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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.