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Finding the Fourth Proportional to 324,254.98, 447,425.59 and 181,011.88

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Solution

The fourth proportional to 324,254.98, 447,425.59 and 181,011.88 is: 249,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,254.98 : 447,425.59 = 181,011.88 : x
  2. Step 2: Convert to fraction form
    324,254.98/447,425.59 = 181,011.88/x
  3. Step 3: Cross multiply
    324,254.98x = 447,425.59 × 181,011.88
  4. Step 4: Simplify right side
    324,254.98x = 80,989,344,063.82
  5. Step 5: Solve for x
    x = 80,989,344,063.82/324,254.98
  6. Step 6: Final answer
    x = 249,770.55

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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.