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Finding the Fourth Proportional to 636,396.36, 954,577.44 and 156,628.44

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Solution

The fourth proportional to 636,396.36, 954,577.44 and 156,628.44 is: 234,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,396.36 : 954,577.44 = 156,628.44 : x
  2. Step 2: Convert to fraction form
    636,396.36/954,577.44 = 156,628.44/x
  3. Step 3: Cross multiply
    636,396.36x = 954,577.44 × 156,628.44
  4. Step 4: Simplify right side
    636,396.36x = 149,513,975,286.39
  5. Step 5: Solve for x
    x = 149,513,975,286.39/636,396.36
  6. Step 6: Final answer
    x = 234,938.45

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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.