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Finding the Fourth Proportional to 277,698.94, 416,549.77 and 67,336.88

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Solution

The fourth proportional to 277,698.94, 416,549.77 and 67,336.88 is: 101,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,698.94 : 416,549.77 = 67,336.88 : x
  2. Step 2: Convert to fraction form
    277,698.94/416,549.77 = 67,336.88/x
  3. Step 3: Cross multiply
    277,698.94x = 416,549.77 × 67,336.88
  4. Step 4: Simplify right side
    277,698.94x = 28,049,160,004.20
  5. Step 5: Solve for x
    x = 28,049,160,004.20/277,698.94
  6. Step 6: Final answer
    x = 101,005.64

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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.