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Finding the Fourth Proportional to 636,707.49, 954,732.53 and 187,369.98

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Solution

The fourth proportional to 636,707.49, 954,732.53 and 187,369.98 is: 280,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,707.49 : 954,732.53 = 187,369.98 : x
  2. Step 2: Convert to fraction form
    636,707.49/954,732.53 = 187,369.98/x
  3. Step 3: Cross multiply
    636,707.49x = 954,732.53 × 187,369.98
  4. Step 4: Simplify right side
    636,707.49x = 178,888,214,114.60
  5. Step 5: Solve for x
    x = 178,888,214,114.60/636,707.49
  6. Step 6: Final answer
    x = 280,958.24

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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.