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Finding the Fourth Proportional to 308,719.05, 462,750.37 and 148,695.04

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Solution

The fourth proportional to 308,719.05, 462,750.37 and 148,695.04 is: 222,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,719.05 : 462,750.37 = 148,695.04 : x
  2. Step 2: Convert to fraction form
    308,719.05/462,750.37 = 148,695.04/x
  3. Step 3: Cross multiply
    308,719.05x = 462,750.37 × 148,695.04
  4. Step 4: Simplify right side
    308,719.05x = 68,808,684,983.87
  5. Step 5: Solve for x
    x = 68,808,684,983.87/308,719.05
  6. Step 6: Final answer
    x = 222,884.48

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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.