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Finding the Fourth Proportional to 441,622.70, 609,441.63 and 240,420.14

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Solution

The fourth proportional to 441,622.70, 609,441.63 and 240,420.14 is: 331,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,622.70 : 609,441.63 = 240,420.14 : x
  2. Step 2: Convert to fraction form
    441,622.70/609,441.63 = 240,420.14/x
  3. Step 3: Cross multiply
    441,622.70x = 609,441.63 × 240,420.14
  4. Step 4: Simplify right side
    441,622.70x = 146,522,042,006.43
  5. Step 5: Solve for x
    x = 146,522,042,006.43/441,622.70
  6. Step 6: Final answer
    x = 331,781.05

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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.