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Finding the Fourth Proportional to 303,488.87, 418,814.57 and 167,522.78

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Solution

The fourth proportional to 303,488.87, 418,814.57 and 167,522.78 is: 231,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,488.87 : 418,814.57 = 167,522.78 : x
  2. Step 2: Convert to fraction form
    303,488.87/418,814.57 = 167,522.78/x
  3. Step 3: Cross multiply
    303,488.87x = 418,814.57 × 167,522.78
  4. Step 4: Simplify right side
    303,488.87x = 70,160,978,139.22
  5. Step 5: Solve for x
    x = 70,160,978,139.22/303,488.87
  6. Step 6: Final answer
    x = 231,181.39

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1.5x scale

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.