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Finding the Fourth Proportional to 550,255.70, 825,502.38 and 171,169.22

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Solution

The fourth proportional to 550,255.70, 825,502.38 and 171,169.22 is: 256,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,255.70 : 825,502.38 = 171,169.22 : x
  2. Step 2: Convert to fraction form
    550,255.70/825,502.38 = 171,169.22/x
  3. Step 3: Cross multiply
    550,255.70x = 825,502.38 × 171,169.22
  4. Step 4: Simplify right side
    550,255.70x = 141,300,598,492.74
  5. Step 5: Solve for x
    x = 141,300,598,492.74/550,255.70
  6. Step 6: Final answer
    x = 256,790.79

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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.