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Finding the Fourth Proportional to 324,261.52, 447,488.48 and 203,407.92

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Solution

The fourth proportional to 324,261.52, 447,488.48 and 203,407.92 is: 280,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,261.52 : 447,488.48 = 203,407.92 : x
  2. Step 2: Convert to fraction form
    324,261.52/447,488.48 = 203,407.92/x
  3. Step 3: Cross multiply
    324,261.52x = 447,488.48 × 203,407.92
  4. Step 4: Simplify right side
    324,261.52x = 91,022,700,940.76
  5. Step 5: Solve for x
    x = 91,022,700,940.76/324,261.52
  6. Step 6: Final answer
    x = 280,707.69

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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.