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Finding the Fourth Proportional to 270,685, 373,535.94 and 149,831.56

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Solution

The fourth proportional to 270,685, 373,535.94 and 149,831.56 is: 206,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,685 : 373,535.94 = 149,831.56 : x
  2. Step 2: Convert to fraction form
    270,685/373,535.94 = 149,831.56/x
  3. Step 3: Cross multiply
    270,685x = 373,535.94 × 149,831.56
  4. Step 4: Simplify right side
    270,685x = 55,967,472,606.27
  5. Step 5: Solve for x
    x = 55,967,472,606.27/270,685
  6. Step 6: Final answer
    x = 206,762.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.