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Finding the Fourth Proportional to 627,536.52, 866,007.09 and 341,056.62

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Solution

The fourth proportional to 627,536.52, 866,007.09 and 341,056.62 is: 470,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,536.52 : 866,007.09 = 341,056.62 : x
  2. Step 2: Convert to fraction form
    627,536.52/866,007.09 = 341,056.62/x
  3. Step 3: Cross multiply
    627,536.52x = 866,007.09 × 341,056.62
  4. Step 4: Simplify right side
    627,536.52x = 295,357,451,011.44
  5. Step 5: Solve for x
    x = 295,357,451,011.44/627,536.52
  6. Step 6: Final answer
    x = 470,661.77

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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.