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Finding the Fourth Proportional to 400,623.80, 600,060.90 and 242,576.60

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Solution

The fourth proportional to 400,623.80, 600,060.90 and 242,576.60 is: 363,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.80 : 600,060.90 = 242,576.60 : x
  2. Step 2: Convert to fraction form
    400,623.80/600,060.90 = 242,576.60/x
  3. Step 3: Cross multiply
    400,623.80x = 600,060.90 × 242,576.60
  4. Step 4: Simplify right side
    400,623.80x = 145,560,732,914.94
  5. Step 5: Solve for x
    x = 145,560,732,914.94/400,623.80
  6. Step 6: Final answer
    x = 363,335.21

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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.