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Finding the Fourth Proportional to 408,926.46, 613,354.46 and 248,960.98

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Solution

The fourth proportional to 408,926.46, 613,354.46 and 248,960.98 is: 373,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,926.46 : 613,354.46 = 248,960.98 : x
  2. Step 2: Convert to fraction form
    408,926.46/613,354.46 = 248,960.98/x
  3. Step 3: Cross multiply
    408,926.46x = 613,354.46 × 248,960.98
  4. Step 4: Simplify right side
    408,926.46x = 152,701,324,670.78
  5. Step 5: Solve for x
    x = 152,701,324,670.78/408,926.46
  6. Step 6: Final answer
    x = 373,420.01

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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.