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Finding the Fourth Proportional to 376,252.64, 563,640.48 and 218,148.80

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Solution

The fourth proportional to 376,252.64, 563,640.48 and 218,148.80 is: 326,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,252.64 : 563,640.48 = 218,148.80 : x
  2. Step 2: Convert to fraction form
    376,252.64/563,640.48 = 218,148.80/x
  3. Step 3: Cross multiply
    376,252.64x = 563,640.48 × 218,148.80
  4. Step 4: Simplify right side
    376,252.64x = 122,957,494,343.42
  5. Step 5: Solve for x
    x = 122,957,494,343.42/376,252.64
  6. Step 6: Final answer
    x = 326,795.03

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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.