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Finding the Fourth Proportional to 277,596.80, 416,117.44 and 127,945.28

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Solution

The fourth proportional to 277,596.80, 416,117.44 and 127,945.28 is: 191,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,596.80 : 416,117.44 = 127,945.28 : x
  2. Step 2: Convert to fraction form
    277,596.80/416,117.44 = 127,945.28/x
  3. Step 3: Cross multiply
    277,596.80x = 416,117.44 × 127,945.28
  4. Step 4: Simplify right side
    277,596.80x = 53,240,262,373.68
  5. Step 5: Solve for x
    x = 53,240,262,373.68/277,596.80
  6. Step 6: Final answer
    x = 191,789.90

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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.