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Finding the Fourth Proportional to 308,285.87, 462,465.86 and 108,564.98

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Solution

The fourth proportional to 308,285.87, 462,465.86 and 108,564.98 is: 162,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,285.87 : 462,465.86 = 108,564.98 : x
  2. Step 2: Convert to fraction form
    308,285.87/462,465.86 = 108,564.98/x
  3. Step 3: Cross multiply
    308,285.87x = 462,465.86 × 108,564.98
  4. Step 4: Simplify right side
    308,285.87x = 50,207,593,986.43
  5. Step 5: Solve for x
    x = 50,207,593,986.43/308,285.87
  6. Step 6: Final answer
    x = 162,860.51

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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.