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Finding the Fourth Proportional to 197,923.80, 276,743.40 and 197,923.80

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Solution

The fourth proportional to 197,923.80, 276,743.40 and 197,923.80 is: 276,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,923.80 : 276,743.40 = 197,923.80 : x
  2. Step 2: Convert to fraction form
    197,923.80/276,743.40 = 197,923.80/x
  3. Step 3: Cross multiply
    197,923.80x = 276,743.40 × 197,923.80
  4. Step 4: Simplify right side
    197,923.80x = 54,774,105,352.92
  5. Step 5: Solve for x
    x = 54,774,105,352.92/197,923.80
  6. Step 6: Final answer
    x = 276,743.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.