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Finding the Fourth Proportional to 277,657.04, 416,485.55 and 67,294.97

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Solution

The fourth proportional to 277,657.04, 416,485.55 and 67,294.97 is: 100,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,657.04 : 416,485.55 = 67,294.97 : x
  2. Step 2: Convert to fraction form
    277,657.04/416,485.55 = 67,294.97/x
  3. Step 3: Cross multiply
    277,657.04x = 416,485.55 × 67,294.97
  4. Step 4: Simplify right side
    277,657.04x = 28,027,383,633.90
  5. Step 5: Solve for x
    x = 28,027,383,633.90/277,657.04
  6. Step 6: Final answer
    x = 100,942.46

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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.