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Finding the Fourth Proportional to 362,342.98, 500,079.44 and 219,104.05

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Solution

The fourth proportional to 362,342.98, 500,079.44 and 219,104.05 is: 302,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,342.98 : 500,079.44 = 219,104.05 : x
  2. Step 2: Convert to fraction form
    362,342.98/500,079.44 = 219,104.05/x
  3. Step 3: Cross multiply
    362,342.98x = 500,079.44 × 219,104.05
  4. Step 4: Simplify right side
    362,342.98x = 109,569,429,923.29
  5. Step 5: Solve for x
    x = 109,569,429,923.29/362,342.98
  6. Step 6: Final answer
    x = 302,391.48

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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.