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Finding the Fourth Proportional to 247,640.85, 371,461.28 and 247,640.85

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Solution

The fourth proportional to 247,640.85, 371,461.28 and 247,640.85 is: 371,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,640.85 : 371,461.28 = 247,640.85 : x
  2. Step 2: Convert to fraction form
    247,640.85/371,461.28 = 247,640.85/x
  3. Step 3: Cross multiply
    247,640.85x = 371,461.28 × 247,640.85
  4. Step 4: Simplify right side
    247,640.85x = 91,988,985,883.08
  5. Step 5: Solve for x
    x = 91,988,985,883.08/247,640.85
  6. Step 6: Final answer
    x = 371,461.28

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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.