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Finding the Fourth Proportional to 324,995.58, 487,443.96 and 125,286.84

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Solution

The fourth proportional to 324,995.58, 487,443.96 and 125,286.84 is: 187,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,995.58 : 487,443.96 = 125,286.84 : x
  2. Step 2: Convert to fraction form
    324,995.58/487,443.96 = 125,286.84/x
  3. Step 3: Cross multiply
    324,995.58x = 487,443.96 × 125,286.84
  4. Step 4: Simplify right side
    324,995.58x = 61,070,313,425.49
  5. Step 5: Solve for x
    x = 61,070,313,425.49/324,995.58
  6. Step 6: Final answer
    x = 187,911.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.