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Finding the Fourth Proportional to 308,324.61, 462,206.52 and 118,663.92

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Solution

The fourth proportional to 308,324.61, 462,206.52 and 118,663.92 is: 177,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,324.61 : 462,206.52 = 118,663.92 : x
  2. Step 2: Convert to fraction form
    308,324.61/462,206.52 = 118,663.92/x
  3. Step 3: Cross multiply
    308,324.61x = 462,206.52 × 118,663.92
  4. Step 4: Simplify right side
    308,324.61x = 54,847,237,512.76
  5. Step 5: Solve for x
    x = 54,847,237,512.76/308,324.61
  6. Step 6: Final answer
    x = 177,887.97

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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.