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Finding the Fourth Proportional to 449,488.80, 674,233.20 and 117,064.80

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Solution

The fourth proportional to 449,488.80, 674,233.20 and 117,064.80 is: 175,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,488.80 : 674,233.20 = 117,064.80 : x
  2. Step 2: Convert to fraction form
    449,488.80/674,233.20 = 117,064.80/x
  3. Step 3: Cross multiply
    449,488.80x = 674,233.20 × 117,064.80
  4. Step 4: Simplify right side
    449,488.80x = 78,928,974,711.36
  5. Step 5: Solve for x
    x = 78,928,974,711.36/449,488.80
  6. Step 6: Final answer
    x = 175,597.20

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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.