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Finding the Fourth Proportional to 324,853.56, 448,353.27 and 188,966.30

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Solution

The fourth proportional to 324,853.56, 448,353.27 and 188,966.30 is: 260,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,853.56 : 448,353.27 = 188,966.30 : x
  2. Step 2: Convert to fraction form
    324,853.56/448,353.27 = 188,966.30/x
  3. Step 3: Cross multiply
    324,853.56x = 448,353.27 × 188,966.30
  4. Step 4: Simplify right side
    324,853.56x = 84,723,656,283.03
  5. Step 5: Solve for x
    x = 84,723,656,283.03/324,853.56
  6. Step 6: Final answer
    x = 260,805.69

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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.