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Finding the Fourth Proportional to 308,630.82, 462,525.87 and 173,759.28

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Solution

The fourth proportional to 308,630.82, 462,525.87 and 173,759.28 is: 260,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,630.82 : 462,525.87 = 173,759.28 : x
  2. Step 2: Convert to fraction form
    308,630.82/462,525.87 = 173,759.28/x
  3. Step 3: Cross multiply
    308,630.82x = 462,525.87 × 173,759.28
  4. Step 4: Simplify right side
    308,630.82x = 80,368,162,152.57
  5. Step 5: Solve for x
    x = 80,368,162,152.57/308,630.82
  6. Step 6: Final answer
    x = 260,402.26

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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.