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Finding the Fourth Proportional to 324,342.70, 486,514.05 and 235,177.90

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Solution

The fourth proportional to 324,342.70, 486,514.05 and 235,177.90 is: 352,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,342.70 : 486,514.05 = 235,177.90 : x
  2. Step 2: Convert to fraction form
    324,342.70/486,514.05 = 235,177.90/x
  3. Step 3: Cross multiply
    324,342.70x = 486,514.05 × 235,177.90
  4. Step 4: Simplify right side
    324,342.70x = 114,417,352,599.50
  5. Step 5: Solve for x
    x = 114,417,352,599.50/324,342.70
  6. Step 6: Final answer
    x = 352,766.85

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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.