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Finding the Fourth Proportional to 437,072.43, 655,702.44 and 247,623.56

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Solution

The fourth proportional to 437,072.43, 655,702.44 and 247,623.56 is: 371,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,072.43 : 655,702.44 = 247,623.56 : x
  2. Step 2: Convert to fraction form
    437,072.43/655,702.44 = 247,623.56/x
  3. Step 3: Cross multiply
    437,072.43x = 655,702.44 × 247,623.56
  4. Step 4: Simplify right side
    437,072.43x = 162,367,369,214.97
  5. Step 5: Solve for x
    x = 162,367,369,214.97/437,072.43
  6. Step 6: Final answer
    x = 371,488.47

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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.