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Finding the Fourth Proportional to 324,695.68, 447,789.91 and 203,848.22

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Solution

The fourth proportional to 324,695.68, 447,789.91 and 203,848.22 is: 281,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,695.68 : 447,789.91 = 203,848.22 : x
  2. Step 2: Convert to fraction form
    324,695.68/447,789.91 = 203,848.22/x
  3. Step 3: Cross multiply
    324,695.68x = 447,789.91 × 203,848.22
  4. Step 4: Simplify right side
    324,695.68x = 91,281,175,068.22
  5. Step 5: Solve for x
    x = 91,281,175,068.22/324,695.68
  6. Step 6: Final answer
    x = 281,128.40

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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.