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Finding the Fourth Proportional to 341,900.88, 512,443.69 and 159,286.72

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Solution

The fourth proportional to 341,900.88, 512,443.69 and 159,286.72 is: 238,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,900.88 : 512,443.69 = 159,286.72 : x
  2. Step 2: Convert to fraction form
    341,900.88/512,443.69 = 159,286.72/x
  3. Step 3: Cross multiply
    341,900.88x = 512,443.69 × 159,286.72
  4. Step 4: Simplify right side
    341,900.88x = 81,625,474,564.80
  5. Step 5: Solve for x
    x = 81,625,474,564.80/341,900.88
  6. Step 6: Final answer
    x = 238,740.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.