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Finding the Fourth Proportional to 303,488.64, 418,814.26 and 167,522.55

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Solution

The fourth proportional to 303,488.64, 418,814.26 and 167,522.55 is: 231,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,488.64 : 418,814.26 = 167,522.55 : x
  2. Step 2: Convert to fraction form
    303,488.64/418,814.26 = 167,522.55/x
  3. Step 3: Cross multiply
    303,488.64x = 418,814.26 × 167,522.55
  4. Step 4: Simplify right side
    303,488.64x = 70,160,834,591.52
  5. Step 5: Solve for x
    x = 70,160,834,591.52/303,488.64
  6. Step 6: Final answer
    x = 231,181.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.