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Finding the Fourth Proportional to 452,843.70, 624,939.27 and 248,901.90

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Solution

The fourth proportional to 452,843.70, 624,939.27 and 248,901.90 is: 343,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,843.70 : 624,939.27 = 248,901.90 : x
  2. Step 2: Convert to fraction form
    452,843.70/624,939.27 = 248,901.90/x
  3. Step 3: Cross multiply
    452,843.70x = 624,939.27 × 248,901.90
  4. Step 4: Simplify right side
    452,843.70x = 155,548,571,687.61
  5. Step 5: Solve for x
    x = 155,548,571,687.61/452,843.70
  6. Step 6: Final answer
    x = 343,492.85

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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.