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Finding the Fourth Proportional to 324,065.08, 447,303.68 and 188,129.56

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Solution

The fourth proportional to 324,065.08, 447,303.68 and 188,129.56 is: 259,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,065.08 : 447,303.68 = 188,129.56 : x
  2. Step 2: Convert to fraction form
    324,065.08/447,303.68 = 188,129.56/x
  3. Step 3: Cross multiply
    324,065.08x = 447,303.68 × 188,129.56
  4. Step 4: Simplify right side
    324,065.08x = 84,151,044,504.78
  5. Step 5: Solve for x
    x = 84,151,044,504.78/324,065.08
  6. Step 6: Final answer
    x = 259,673.29

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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.