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Finding the Fourth Proportional to 269,574.34, 404,361.54 and 127,433.92

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Solution

The fourth proportional to 269,574.34, 404,361.54 and 127,433.92 is: 191,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,574.34 : 404,361.54 = 127,433.92 : x
  2. Step 2: Convert to fraction form
    269,574.34/404,361.54 = 127,433.92/x
  3. Step 3: Cross multiply
    269,574.34x = 404,361.54 × 127,433.92
  4. Step 4: Simplify right side
    269,574.34x = 51,529,376,139.44
  5. Step 5: Solve for x
    x = 51,529,376,139.44/269,574.34
  6. Step 6: Final answer
    x = 191,150.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.