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Finding the Fourth Proportional to 303,234.60, 454,851.90 and 269,117.40

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Solution

The fourth proportional to 303,234.60, 454,851.90 and 269,117.40 is: 403,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,234.60 : 454,851.90 = 269,117.40 : x
  2. Step 2: Convert to fraction form
    303,234.60/454,851.90 = 269,117.40/x
  3. Step 3: Cross multiply
    303,234.60x = 454,851.90 × 269,117.40
  4. Step 4: Simplify right side
    303,234.60x = 122,408,560,713.06
  5. Step 5: Solve for x
    x = 122,408,560,713.06/303,234.60
  6. Step 6: Final answer
    x = 403,676.10

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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.