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Finding the Fourth Proportional to 331,610.76, 457,554.42 and 195,637.68

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Solution

The fourth proportional to 331,610.76, 457,554.42 and 195,637.68 is: 269,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,610.76 : 457,554.42 = 195,637.68 : x
  2. Step 2: Convert to fraction form
    331,610.76/457,554.42 = 195,637.68/x
  3. Step 3: Cross multiply
    331,610.76x = 457,554.42 × 195,637.68
  4. Step 4: Simplify right side
    331,610.76x = 89,514,885,202.55
  5. Step 5: Solve for x
    x = 89,514,885,202.55/331,610.76
  6. Step 6: Final answer
    x = 269,939.63

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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.