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Finding the Fourth Proportional to 324,064.80, 447,197.76 and 203,271.12

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Solution

The fourth proportional to 324,064.80, 447,197.76 and 203,271.12 is: 280,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,064.80 : 447,197.76 = 203,271.12 : x
  2. Step 2: Convert to fraction form
    324,064.80/447,197.76 = 203,271.12/x
  3. Step 3: Cross multiply
    324,064.80x = 447,197.76 × 203,271.12
  4. Step 4: Simplify right side
    324,064.80x = 90,902,389,536.69
  5. Step 5: Solve for x
    x = 90,902,389,536.69/324,064.80
  6. Step 6: Final answer
    x = 280,506.83

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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.