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Finding the Fourth Proportional to 362,342.97, 500,079.44 and 219,104.04

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Solution

The fourth proportional to 362,342.97, 500,079.44 and 219,104.04 is: 302,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,342.97 : 500,079.44 = 219,104.04 : x
  2. Step 2: Convert to fraction form
    362,342.97/500,079.44 = 219,104.04/x
  3. Step 3: Cross multiply
    362,342.97x = 500,079.44 × 219,104.04
  4. Step 4: Simplify right side
    362,342.97x = 109,569,424,529.42
  5. Step 5: Solve for x
    x = 109,569,424,529.42/362,342.97
  6. Step 6: Final answer
    x = 302,391.47

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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.