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Finding the Fourth Proportional to 341,078.59, 511,972.74 and 251,222.76

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Solution

The fourth proportional to 341,078.59, 511,972.74 and 251,222.76 is: 377,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,078.59 : 511,972.74 = 251,222.76 : x
  2. Step 2: Convert to fraction form
    341,078.59/511,972.74 = 251,222.76/x
  3. Step 3: Cross multiply
    341,078.59x = 511,972.74 × 251,222.76
  4. Step 4: Simplify right side
    341,078.59x = 128,619,204,787.56
  5. Step 5: Solve for x
    x = 128,619,204,787.56/341,078.59
  6. Step 6: Final answer
    x = 377,095.51

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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.