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Finding the Fourth Proportional to 667,732.62, 921,466.35 and 365,920.14

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Solution

The fourth proportional to 667,732.62, 921,466.35 and 365,920.14 is: 504,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,732.62 : 921,466.35 = 365,920.14 : x
  2. Step 2: Convert to fraction form
    667,732.62/921,466.35 = 365,920.14/x
  3. Step 3: Cross multiply
    667,732.62x = 921,466.35 × 365,920.14
  4. Step 4: Simplify right side
    667,732.62x = 337,183,095,797.29
  5. Step 5: Solve for x
    x = 337,183,095,797.29/667,732.62
  6. Step 6: Final answer
    x = 504,967.24

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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.