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Finding the Fourth Proportional to 277,658.63, 416,173.09 and 127,588.82

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Solution

The fourth proportional to 277,658.63, 416,173.09 and 127,588.82 is: 191,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,658.63 : 416,173.09 = 127,588.82 : x
  2. Step 2: Convert to fraction form
    277,658.63/416,173.09 = 127,588.82/x
  3. Step 3: Cross multiply
    277,658.63x = 416,173.09 × 127,588.82
  4. Step 4: Simplify right side
    277,658.63x = 53,099,034,939.32
  5. Step 5: Solve for x
    x = 53,099,034,939.32/277,658.63
  6. Step 6: Final answer
    x = 191,238.55

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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.