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Finding the Fourth Proportional to 667,592.88, 1,001,546.84 and 218,312

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Solution

The fourth proportional to 667,592.88, 1,001,546.84 and 218,312 is: 327,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,592.88 : 1,001,546.84 = 218,312 : x
  2. Step 2: Convert to fraction form
    667,592.88/1,001,546.84 = 218,312/x
  3. Step 3: Cross multiply
    667,592.88x = 1,001,546.84 × 218,312
  4. Step 4: Simplify right side
    667,592.88x = 218,649,693,734.08
  5. Step 5: Solve for x
    x = 218,649,693,734.08/667,592.88
  6. Step 6: Final answer
    x = 327,519.51

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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.