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Finding the Fourth Proportional to 449,477.80, 674,216.70 and 117,053.80

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Solution

The fourth proportional to 449,477.80, 674,216.70 and 117,053.80 is: 175,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,477.80 : 674,216.70 = 117,053.80 : x
  2. Step 2: Convert to fraction form
    449,477.80/674,216.70 = 117,053.80/x
  3. Step 3: Cross multiply
    449,477.80x = 674,216.70 × 117,053.80
  4. Step 4: Simplify right side
    449,477.80x = 78,919,626,758.46
  5. Step 5: Solve for x
    x = 78,919,626,758.46/449,477.80
  6. Step 6: Final answer
    x = 175,580.70

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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.