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Finding the Fourth Proportional to 537,960.99, 742,388.31 and 323,104.71

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Solution

The fourth proportional to 537,960.99, 742,388.31 and 323,104.71 is: 445,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,960.99 : 742,388.31 = 323,104.71 : x
  2. Step 2: Convert to fraction form
    537,960.99/742,388.31 = 323,104.71/x
  3. Step 3: Cross multiply
    537,960.99x = 742,388.31 × 323,104.71
  4. Step 4: Simplify right side
    537,960.99x = 239,869,159,609.94
  5. Step 5: Solve for x
    x = 239,869,159,609.94/537,960.99
  6. Step 6: Final answer
    x = 445,885.79

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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.