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Finding the Fourth Proportional to 322,981.02, 483,980.28 and 154,269.03

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Solution

The fourth proportional to 322,981.02, 483,980.28 and 154,269.03 is: 231,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,981.02 : 483,980.28 = 154,269.03 : x
  2. Step 2: Convert to fraction form
    322,981.02/483,980.28 = 154,269.03/x
  3. Step 3: Cross multiply
    322,981.02x = 483,980.28 × 154,269.03
  4. Step 4: Simplify right side
    322,981.02x = 74,663,168,334.73
  5. Step 5: Solve for x
    x = 74,663,168,334.73/322,981.02
  6. Step 6: Final answer
    x = 231,168.90

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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.