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Finding the Fourth Proportional to 324,573.64, 447,920.76 and 181,349.44

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Solution

The fourth proportional to 324,573.64, 447,920.76 and 181,349.44 is: 250,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,573.64 : 447,920.76 = 181,349.44 : x
  2. Step 2: Convert to fraction form
    324,573.64/447,920.76 = 181,349.44/x
  3. Step 3: Cross multiply
    324,573.64x = 447,920.76 × 181,349.44
  4. Step 4: Simplify right side
    324,573.64x = 81,230,178,990.37
  5. Step 5: Solve for x
    x = 81,230,178,990.37/324,573.64
  6. Step 6: Final answer
    x = 250,267.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.