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Finding the Fourth Proportional to 324,418.55, 447,632.64 and 181,156.55

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Solution

The fourth proportional to 324,418.55, 447,632.64 and 181,156.55 is: 249,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,418.55 : 447,632.64 = 181,156.55 : x
  2. Step 2: Convert to fraction form
    324,418.55/447,632.64 = 181,156.55/x
  3. Step 3: Cross multiply
    324,418.55x = 447,632.64 × 181,156.55
  4. Step 4: Simplify right side
    324,418.55x = 81,091,582,491.63
  5. Step 5: Solve for x
    x = 81,091,582,491.63/324,418.55
  6. Step 6: Final answer
    x = 249,959.76

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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.