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Finding the Fourth Proportional to 304,459.20, 456,190.20 and 162,153.45

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Solution

The fourth proportional to 304,459.20, 456,190.20 and 162,153.45 is: 242,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,459.20 : 456,190.20 = 162,153.45 : x
  2. Step 2: Convert to fraction form
    304,459.20/456,190.20 = 162,153.45/x
  3. Step 3: Cross multiply
    304,459.20x = 456,190.20 × 162,153.45
  4. Step 4: Simplify right side
    304,459.20x = 73,972,814,786.19
  5. Step 5: Solve for x
    x = 73,972,814,786.19/304,459.20
  6. Step 6: Final answer
    x = 242,964.62

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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.