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Finding the Fourth Proportional to 466,505.60, 699,758.40 and 200,220.80

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Solution

The fourth proportional to 466,505.60, 699,758.40 and 200,220.80 is: 300,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,505.60 : 699,758.40 = 200,220.80 : x
  2. Step 2: Convert to fraction form
    466,505.60/699,758.40 = 200,220.80/x
  3. Step 3: Cross multiply
    466,505.60x = 699,758.40 × 200,220.80
  4. Step 4: Simplify right side
    466,505.60x = 140,106,186,654.72
  5. Step 5: Solve for x
    x = 140,106,186,654.72/466,505.60
  6. Step 6: Final answer
    x = 300,331.20

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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.