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Finding the Fourth Proportional to 331,653.74, 457,660.26 and 186,481.89

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Solution

The fourth proportional to 331,653.74, 457,660.26 and 186,481.89 is: 257,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,653.74 : 457,660.26 = 186,481.89 : x
  2. Step 2: Convert to fraction form
    331,653.74/457,660.26 = 186,481.89/x
  3. Step 3: Cross multiply
    331,653.74x = 457,660.26 × 186,481.89
  4. Step 4: Simplify right side
    331,653.74x = 85,345,350,262.69
  5. Step 5: Solve for x
    x = 85,345,350,262.69/331,653.74
  6. Step 6: Final answer
    x = 257,332.70

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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.