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Finding the Fourth Proportional to 449,044.71, 673,678.67 and 133,501.11

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Solution

The fourth proportional to 449,044.71, 673,678.67 and 133,501.11 is: 200,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,044.71 : 673,678.67 = 133,501.11 : x
  2. Step 2: Convert to fraction form
    449,044.71/673,678.67 = 133,501.11/x
  3. Step 3: Cross multiply
    449,044.71x = 673,678.67 × 133,501.11
  4. Step 4: Simplify right side
    449,044.71x = 89,936,850,228.32
  5. Step 5: Solve for x
    x = 89,936,850,228.32/449,044.71
  6. Step 6: Final answer
    x = 200,284.85

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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.