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Finding the Fourth Proportional to 272,004.40, 408,006.60 and 114,410.80

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Solution

The fourth proportional to 272,004.40, 408,006.60 and 114,410.80 is: 171,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,004.40 : 408,006.60 = 114,410.80 : x
  2. Step 2: Convert to fraction form
    272,004.40/408,006.60 = 114,410.80/x
  3. Step 3: Cross multiply
    272,004.40x = 408,006.60 × 114,410.80
  4. Step 4: Simplify right side
    272,004.40x = 46,680,361,511.28
  5. Step 5: Solve for x
    x = 46,680,361,511.28/272,004.40
  6. Step 6: Final answer
    x = 171,616.20

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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.