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Finding the Fourth Proportional to 466,399.20, 699,771.60 and 186,117.60

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Solution

The fourth proportional to 466,399.20, 699,771.60 and 186,117.60 is: 279,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,399.20 : 699,771.60 = 186,117.60 : x
  2. Step 2: Convert to fraction form
    466,399.20/699,771.60 = 186,117.60/x
  3. Step 3: Cross multiply
    466,399.20x = 699,771.60 × 186,117.60
  4. Step 4: Simplify right side
    466,399.20x = 130,239,810,740.16
  5. Step 5: Solve for x
    x = 130,239,810,740.16/466,399.20
  6. Step 6: Final answer
    x = 279,245.36

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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.