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Finding the Fourth Proportional to 449,760.84, 674,640.64 and 117,336.84

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Solution

The fourth proportional to 449,760.84, 674,640.64 and 117,336.84 is: 176,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,760.84 : 674,640.64 = 117,336.84 : x
  2. Step 2: Convert to fraction form
    449,760.84/674,640.64 = 117,336.84/x
  3. Step 3: Cross multiply
    449,760.84x = 674,640.64 × 117,336.84
  4. Step 4: Simplify right side
    449,760.84x = 79,160,200,833.18
  5. Step 5: Solve for x
    x = 79,160,200,833.18/449,760.84
  6. Step 6: Final answer
    x = 176,005.10

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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.