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Finding the Fourth Proportional to 308,289.30, 462,153.71 and 118,628.67

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Solution

The fourth proportional to 308,289.30, 462,153.71 and 118,628.67 is: 177,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,289.30 : 462,153.71 = 118,628.67 : x
  2. Step 2: Convert to fraction form
    308,289.30/462,153.71 = 118,628.67/x
  3. Step 3: Cross multiply
    308,289.30x = 462,153.71 × 118,628.67
  4. Step 4: Simplify right side
    308,289.30x = 54,824,679,359.72
  5. Step 5: Solve for x
    x = 54,824,679,359.72/308,289.30
  6. Step 6: Final answer
    x = 177,835.17

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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.