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Finding the Fourth Proportional to 468,937.56, 703,262.68 and 169,381.20

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Solution

The fourth proportional to 468,937.56, 703,262.68 and 169,381.20 is: 254,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,937.56 : 703,262.68 = 169,381.20 : x
  2. Step 2: Convert to fraction form
    468,937.56/703,262.68 = 169,381.20/x
  3. Step 3: Cross multiply
    468,937.56x = 703,262.68 × 169,381.20
  4. Step 4: Simplify right side
    468,937.56x = 119,119,476,653.62
  5. Step 5: Solve for x
    x = 119,119,476,653.62/468,937.56
  6. Step 6: Final answer
    x = 254,019.91

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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.