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Finding the Fourth Proportional to 536,311.60, 804,575.40 and 157,231.60

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Solution

The fourth proportional to 536,311.60, 804,575.40 and 157,231.60 is: 235,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,311.60 : 804,575.40 = 157,231.60 : x
  2. Step 2: Convert to fraction form
    536,311.60/804,575.40 = 157,231.60/x
  3. Step 3: Cross multiply
    536,311.60x = 804,575.40 × 157,231.60
  4. Step 4: Simplify right side
    536,311.60x = 126,504,677,462.64
  5. Step 5: Solve for x
    x = 126,504,677,462.64/536,311.60
  6. Step 6: Final answer
    x = 235,879.06

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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.