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Finding the Fourth Proportional to 324,667.80, 447,751.46 and 203,820.32

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Solution

The fourth proportional to 324,667.80, 447,751.46 and 203,820.32 is: 281,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,667.80 : 447,751.46 = 203,820.32 : x
  2. Step 2: Convert to fraction form
    324,667.80/447,751.46 = 203,820.32/x
  3. Step 3: Cross multiply
    324,667.80x = 447,751.46 × 203,820.32
  4. Step 4: Simplify right side
    324,667.80x = 91,260,845,857.67
  5. Step 5: Solve for x
    x = 91,260,845,857.67/324,667.80
  6. Step 6: Final answer
    x = 281,089.92

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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.