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Finding the Fourth Proportional to 293,079.94, 404,450.31 and 165,752.80

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Solution

The fourth proportional to 293,079.94, 404,450.31 and 165,752.80 is: 228,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,079.94 : 404,450.31 = 165,752.80 : x
  2. Step 2: Convert to fraction form
    293,079.94/404,450.31 = 165,752.80/x
  3. Step 3: Cross multiply
    293,079.94x = 404,450.31 × 165,752.80
  4. Step 4: Simplify right side
    293,079.94x = 67,038,770,953.82
  5. Step 5: Solve for x
    x = 67,038,770,953.82/293,079.94
  6. Step 6: Final answer
    x = 228,738.86

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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.