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Finding the Fourth Proportional to 408,674.67, 563,962.21 and 236,599.89

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Solution

The fourth proportional to 408,674.67, 563,962.21 and 236,599.89 is: 326,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,674.67 : 563,962.21 = 236,599.89 : x
  2. Step 2: Convert to fraction form
    408,674.67/563,962.21 = 236,599.89/x
  3. Step 3: Cross multiply
    408,674.67x = 563,962.21 × 236,599.89
  4. Step 4: Simplify right side
    408,674.67x = 133,433,396,258.66
  5. Step 5: Solve for x
    x = 133,433,396,258.66/408,674.67
  6. Step 6: Final answer
    x = 326,502.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.