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Finding the Fourth Proportional to 277,224.89, 415,774.59 and 127,321.07

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Solution

The fourth proportional to 277,224.89, 415,774.59 and 127,321.07 is: 190,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,224.89 : 415,774.59 = 127,321.07 : x
  2. Step 2: Convert to fraction form
    277,224.89/415,774.59 = 127,321.07/x
  3. Step 3: Cross multiply
    277,224.89x = 415,774.59 × 127,321.07
  4. Step 4: Simplify right side
    277,224.89x = 52,936,865,677.61
  5. Step 5: Solve for x
    x = 52,936,865,677.61/277,224.89
  6. Step 6: Final answer
    x = 190,952.79

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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.