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Finding the Fourth Proportional to 277,222.52, 415,489.26 and 127,303.76

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Solution

The fourth proportional to 277,222.52, 415,489.26 and 127,303.76 is: 190,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,222.52 : 415,489.26 = 127,303.76 : x
  2. Step 2: Convert to fraction form
    277,222.52/415,489.26 = 127,303.76/x
  3. Step 3: Cross multiply
    277,222.52x = 415,489.26 × 127,303.76
  4. Step 4: Simplify right side
    277,222.52x = 52,893,345,037.62
  5. Step 5: Solve for x
    x = 52,893,345,037.62/277,222.52
  6. Step 6: Final answer
    x = 190,797.43

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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.