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Finding the Fourth Proportional to 277,544.70, 416,039.40 and 127,893.06

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Solution

The fourth proportional to 277,544.70, 416,039.40 and 127,893.06 is: 191,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,544.70 : 416,039.40 = 127,893.06 : x
  2. Step 2: Convert to fraction form
    277,544.70/416,039.40 = 127,893.06/x
  3. Step 3: Cross multiply
    277,544.70x = 416,039.40 × 127,893.06
  4. Step 4: Simplify right side
    277,544.70x = 53,208,551,946.56
  5. Step 5: Solve for x
    x = 53,208,551,946.56/277,544.70
  6. Step 6: Final answer
    x = 191,711.65

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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.