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Finding the Fourth Proportional to 324,001.08, 447,215.31 and 188,065.53

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Solution

The fourth proportional to 324,001.08, 447,215.31 and 188,065.53 is: 259,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,001.08 : 447,215.31 = 188,065.53 : x
  2. Step 2: Convert to fraction form
    324,001.08/447,215.31 = 188,065.53/x
  3. Step 3: Cross multiply
    324,001.08x = 447,215.31 × 188,065.53
  4. Step 4: Simplify right side
    324,001.08x = 84,105,784,299.26
  5. Step 5: Solve for x
    x = 84,105,784,299.26/324,001.08
  6. Step 6: Final answer
    x = 259,584.89

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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.