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Finding the Fourth Proportional to 277,093.47, 415,640.34 and 66,731.34

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Solution

The fourth proportional to 277,093.47, 415,640.34 and 66,731.34 is: 100,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,093.47 : 415,640.34 = 66,731.34 : x
  2. Step 2: Convert to fraction form
    277,093.47/415,640.34 = 66,731.34/x
  3. Step 3: Cross multiply
    277,093.47x = 415,640.34 × 66,731.34
  4. Step 4: Simplify right side
    277,093.47x = 27,736,236,846.26
  5. Step 5: Solve for x
    x = 27,736,236,846.26/277,093.47
  6. Step 6: Final answer
    x = 100,097.04

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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.