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Finding the Fourth Proportional to 341,078.65, 511,972.83 and 251,222.82

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Solution

The fourth proportional to 341,078.65, 511,972.83 and 251,222.82 is: 377,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,078.65 : 511,972.83 = 251,222.82 : x
  2. Step 2: Convert to fraction form
    341,078.65/511,972.83 = 251,222.82/x
  3. Step 3: Cross multiply
    341,078.65x = 511,972.83 × 251,222.82
  4. Step 4: Simplify right side
    341,078.65x = 128,619,258,115.98
  5. Step 5: Solve for x
    x = 128,619,258,115.98/341,078.65
  6. Step 6: Final answer
    x = 377,095.60

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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.