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Finding the Fourth Proportional to 324,344.39, 447,304.88 and 203,498.87

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Solution

The fourth proportional to 324,344.39, 447,304.88 and 203,498.87 is: 280,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,344.39 : 447,304.88 = 203,498.87 : x
  2. Step 2: Convert to fraction form
    324,344.39/447,304.88 = 203,498.87/x
  3. Step 3: Cross multiply
    324,344.39x = 447,304.88 × 203,498.87
  4. Step 4: Simplify right side
    324,344.39x = 91,026,035,897.71
  5. Step 5: Solve for x
    x = 91,026,035,897.71/324,344.39
  6. Step 6: Final answer
    x = 280,646.25

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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.