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Finding the Fourth Proportional to 324,005.74, 447,126.66 and 180,765.88

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Solution

The fourth proportional to 324,005.74, 447,126.66 and 180,765.88 is: 249,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.74 : 447,126.66 = 180,765.88 : x
  2. Step 2: Convert to fraction form
    324,005.74/447,126.66 = 180,765.88/x
  3. Step 3: Cross multiply
    324,005.74x = 447,126.66 × 180,765.88
  4. Step 4: Simplify right side
    324,005.74x = 80,825,244,166.36
  5. Step 5: Solve for x
    x = 80,825,244,166.36/324,005.74
  6. Step 6: Final answer
    x = 249,456.21

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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.