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Finding the Fourth Proportional to 449,793.60, 674,690.40 and 117,369.60

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Solution

The fourth proportional to 449,793.60, 674,690.40 and 117,369.60 is: 176,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,793.60 : 674,690.40 = 117,369.60 : x
  2. Step 2: Convert to fraction form
    449,793.60/674,690.40 = 117,369.60/x
  3. Step 3: Cross multiply
    449,793.60x = 674,690.40 × 117,369.60
  4. Step 4: Simplify right side
    449,793.60x = 79,188,142,371.84
  5. Step 5: Solve for x
    x = 79,188,142,371.84/449,793.60
  6. Step 6: Final answer
    x = 176,054.40

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Similar ratio
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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.