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Finding the Fourth Proportional to 308,866.36, 462,982.32 and 175,461.76

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Solution

The fourth proportional to 308,866.36, 462,982.32 and 175,461.76 is: 263,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,866.36 : 462,982.32 = 175,461.76 : x
  2. Step 2: Convert to fraction form
    308,866.36/462,982.32 = 175,461.76/x
  3. Step 3: Cross multiply
    308,866.36x = 462,982.32 × 175,461.76
  4. Step 4: Simplify right side
    308,866.36x = 81,235,692,716.08
  5. Step 5: Solve for x
    x = 81,235,692,716.08/308,866.36
  6. Step 6: Final answer
    x = 263,012.43

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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.