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Finding the Fourth Proportional to 274,272.80, 412,100.40 and 174,480.80

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Solution

The fourth proportional to 274,272.80, 412,100.40 and 174,480.80 is: 262,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,272.80 : 412,100.40 = 174,480.80 : x
  2. Step 2: Convert to fraction form
    274,272.80/412,100.40 = 174,480.80/x
  3. Step 3: Cross multiply
    274,272.80x = 412,100.40 × 174,480.80
  4. Step 4: Simplify right side
    274,272.80x = 71,903,607,472.32
  5. Step 5: Solve for x
    x = 71,903,607,472.32/274,272.80
  6. Step 6: Final answer
    x = 262,160.91

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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.