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Finding the Fourth Proportional to 341,076.52, 511,969.64 and 251,220.70

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Solution

The fourth proportional to 341,076.52, 511,969.64 and 251,220.70 is: 377,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,076.52 : 511,969.64 = 251,220.70 : x
  2. Step 2: Convert to fraction form
    341,076.52/511,969.64 = 251,220.70/x
  3. Step 3: Cross multiply
    341,076.52x = 511,969.64 × 251,220.70
  4. Step 4: Simplify right side
    341,076.52x = 128,617,371,000.27
  5. Step 5: Solve for x
    x = 128,617,371,000.27/341,076.52
  6. Step 6: Final answer
    x = 377,092.42

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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.