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Finding the Fourth Proportional to 264,713.60, 396,487.20 and 235,164.80

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Solution

The fourth proportional to 264,713.60, 396,487.20 and 235,164.80 is: 352,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,713.60 : 396,487.20 = 235,164.80 : x
  2. Step 2: Convert to fraction form
    264,713.60/396,487.20 = 235,164.80/x
  3. Step 3: Cross multiply
    264,713.60x = 396,487.20 × 235,164.80
  4. Step 4: Simplify right side
    264,713.60x = 93,239,833,090.56
  5. Step 5: Solve for x
    x = 93,239,833,090.56/264,713.60
  6. Step 6: Final answer
    x = 352,229.10

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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.