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Finding the Fourth Proportional to 449,168.70, 673,753.05 and 404,881.95

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Solution

The fourth proportional to 449,168.70, 673,753.05 and 404,881.95 is: 607,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,168.70 : 673,753.05 = 404,881.95 : x
  2. Step 2: Convert to fraction form
    449,168.70/673,753.05 = 404,881.95/x
  3. Step 3: Cross multiply
    449,168.70x = 673,753.05 × 404,881.95
  4. Step 4: Simplify right side
    449,168.70x = 272,790,448,702.45
  5. Step 5: Solve for x
    x = 272,790,448,702.45/449,168.70
  6. Step 6: Final answer
    x = 607,322.93

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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.