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Finding the Fourth Proportional to 247,855.44, 371,478.60 and 114,555.36

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Solution

The fourth proportional to 247,855.44, 371,478.60 and 114,555.36 is: 171,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,855.44 : 371,478.60 = 114,555.36 : x
  2. Step 2: Convert to fraction form
    247,855.44/371,478.60 = 114,555.36/x
  3. Step 3: Cross multiply
    247,855.44x = 371,478.60 × 114,555.36
  4. Step 4: Simplify right side
    247,855.44x = 42,554,864,755.30
  5. Step 5: Solve for x
    x = 42,554,864,755.30/247,855.44
  6. Step 6: Final answer
    x = 171,692.28

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1.5x scale

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.