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Finding the Fourth Proportional to 308,434.69, 462,473.96 and 95,145.34

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Solution

The fourth proportional to 308,434.69, 462,473.96 and 95,145.34 is: 142,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,434.69 : 462,473.96 = 95,145.34 : x
  2. Step 2: Convert to fraction form
    308,434.69/462,473.96 = 95,145.34/x
  3. Step 3: Cross multiply
    308,434.69x = 462,473.96 × 95,145.34
  4. Step 4: Simplify right side
    308,434.69x = 44,002,239,982.37
  5. Step 5: Solve for x
    x = 44,002,239,982.37/308,434.69
  6. Step 6: Final answer
    x = 142,663.07

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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.