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Finding the Fourth Proportional to 449,041.71, 673,674.17 and 133,498.11

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Solution

The fourth proportional to 449,041.71, 673,674.17 and 133,498.11 is: 200,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,041.71 : 673,674.17 = 133,498.11 : x
  2. Step 2: Convert to fraction form
    449,041.71/673,674.17 = 133,498.11/x
  3. Step 3: Cross multiply
    449,041.71x = 673,674.17 × 133,498.11
  4. Step 4: Simplify right side
    449,041.71x = 89,934,227,783.33
  5. Step 5: Solve for x
    x = 89,934,227,783.33/449,041.71
  6. Step 6: Final answer
    x = 200,280.34

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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.