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Finding the Fourth Proportional to 322,154.88, 444,574.08 and 178,915.20

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Solution

The fourth proportional to 322,154.88, 444,574.08 and 178,915.20 is: 246,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,154.88 : 444,574.08 = 178,915.20 : x
  2. Step 2: Convert to fraction form
    322,154.88/444,574.08 = 178,915.20/x
  3. Step 3: Cross multiply
    322,154.88x = 444,574.08 × 178,915.20
  4. Step 4: Simplify right side
    322,154.88x = 79,541,060,438.02
  5. Step 5: Solve for x
    x = 79,541,060,438.02/322,154.88
  6. Step 6: Final answer
    x = 246,903.17

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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.