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Finding the Fourth Proportional to 277,637.20, 416,455.80 and 119,755.60

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Solution

The fourth proportional to 277,637.20, 416,455.80 and 119,755.60 is: 179,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,637.20 : 416,455.80 = 119,755.60 : x
  2. Step 2: Convert to fraction form
    277,637.20/416,455.80 = 119,755.60/x
  3. Step 3: Cross multiply
    277,637.20x = 416,455.80 × 119,755.60
  4. Step 4: Simplify right side
    277,637.20x = 49,872,914,202.48
  5. Step 5: Solve for x
    x = 49,872,914,202.48/277,637.20
  6. Step 6: Final answer
    x = 179,633.40

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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.