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Finding the Fourth Proportional to 269,216.60, 403,824.90 and 231,818.90

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Solution

The fourth proportional to 269,216.60, 403,824.90 and 231,818.90 is: 347,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,216.60 : 403,824.90 = 231,818.90 : x
  2. Step 2: Convert to fraction form
    269,216.60/403,824.90 = 231,818.90/x
  3. Step 3: Cross multiply
    269,216.60x = 403,824.90 × 231,818.90
  4. Step 4: Simplify right side
    269,216.60x = 93,614,244,110.61
  5. Step 5: Solve for x
    x = 93,614,244,110.61/269,216.60
  6. Step 6: Final answer
    x = 347,728.35

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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.