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Finding the Fourth Proportional to 331,472.93, 457,435.67 and 200,653.59

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Solution

The fourth proportional to 331,472.93, 457,435.67 and 200,653.59 is: 276,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,472.93 : 457,435.67 = 200,653.59 : x
  2. Step 2: Convert to fraction form
    331,472.93/457,435.67 = 200,653.59/x
  3. Step 3: Cross multiply
    331,472.93x = 457,435.67 × 200,653.59
  4. Step 4: Simplify right side
    331,472.93x = 91,786,108,376.29
  5. Step 5: Solve for x
    x = 91,786,108,376.29/331,472.93
  6. Step 6: Final answer
    x = 276,903.79

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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.