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Finding the Fourth Proportional to 324,373.92, 447,636.64 and 181,133.52

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Solution

The fourth proportional to 324,373.92, 447,636.64 and 181,133.52 is: 249,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,373.92 : 447,636.64 = 181,133.52 : x
  2. Step 2: Convert to fraction form
    324,373.92/447,636.64 = 181,133.52/x
  3. Step 3: Cross multiply
    324,373.92x = 447,636.64 × 181,133.52
  4. Step 4: Simplify right side
    324,373.92x = 81,082,000,284.17
  5. Step 5: Solve for x
    x = 81,082,000,284.17/324,373.92
  6. Step 6: Final answer
    x = 249,964.61

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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.