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Finding the Fourth Proportional to 262,997.70, 394,496.55 and 169,569.06

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Solution

The fourth proportional to 262,997.70, 394,496.55 and 169,569.06 is: 254,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,997.70 : 394,496.55 = 169,569.06 : x
  2. Step 2: Convert to fraction form
    262,997.70/394,496.55 = 169,569.06/x
  3. Step 3: Cross multiply
    262,997.70x = 394,496.55 × 169,569.06
  4. Step 4: Simplify right side
    262,997.70x = 66,894,409,156.74
  5. Step 5: Solve for x
    x = 66,894,409,156.74/262,997.70
  6. Step 6: Final answer
    x = 254,353.59

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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.