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Finding the Fourth Proportional to 308,391.36, 462,587.52 and 158,651.52

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Solution

The fourth proportional to 308,391.36, 462,587.52 and 158,651.52 is: 237,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,391.36 : 462,587.52 = 158,651.52 : x
  2. Step 2: Convert to fraction form
    308,391.36/462,587.52 = 158,651.52/x
  3. Step 3: Cross multiply
    308,391.36x = 462,587.52 × 158,651.52
  4. Step 4: Simplify right side
    308,391.36x = 73,390,213,181.03
  5. Step 5: Solve for x
    x = 73,390,213,181.03/308,391.36
  6. Step 6: Final answer
    x = 237,977.53

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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.