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Finding the Fourth Proportional to 324,951.63, 487,382.34 and 100,319.46

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Solution

The fourth proportional to 324,951.63, 487,382.34 and 100,319.46 is: 150,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,951.63 : 487,382.34 = 100,319.46 : x
  2. Step 2: Convert to fraction form
    324,951.63/487,382.34 = 100,319.46/x
  3. Step 3: Cross multiply
    324,951.63x = 487,382.34 × 100,319.46
  4. Step 4: Simplify right side
    324,951.63x = 48,893,933,162.34
  5. Step 5: Solve for x
    x = 48,893,933,162.34/324,951.63
  6. Step 6: Final answer
    x = 150,465.27

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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.