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Finding the Fourth Proportional to 247,234.40, 371,629.20 and 242,568.80

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Solution

The fourth proportional to 247,234.40, 371,629.20 and 242,568.80 is: 364,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,234.40 : 371,629.20 = 242,568.80 : x
  2. Step 2: Convert to fraction form
    247,234.40/371,629.20 = 242,568.80/x
  3. Step 3: Cross multiply
    247,234.40x = 371,629.20 × 242,568.80
  4. Step 4: Simplify right side
    247,234.40x = 90,145,649,088.96
  5. Step 5: Solve for x
    x = 90,145,649,088.96/247,234.40
  6. Step 6: Final answer
    x = 364,616.13

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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.