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Finding the Fourth Proportional to 264,857.60, 396,703.20 and 235,308.80

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Solution

The fourth proportional to 264,857.60, 396,703.20 and 235,308.80 is: 352,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,857.60 : 396,703.20 = 235,308.80 : x
  2. Step 2: Convert to fraction form
    264,857.60/396,703.20 = 235,308.80/x
  3. Step 3: Cross multiply
    264,857.60x = 396,703.20 × 235,308.80
  4. Step 4: Simplify right side
    264,857.60x = 93,347,753,948.16
  5. Step 5: Solve for x
    x = 93,347,753,948.16/264,857.60
  6. Step 6: Final answer
    x = 352,445.06

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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.