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Finding the Fourth Proportional to 303,167.56, 418,265.59 and 194,331.91

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Solution

The fourth proportional to 303,167.56, 418,265.59 and 194,331.91 is: 268,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,167.56 : 418,265.59 = 194,331.91 : x
  2. Step 2: Convert to fraction form
    303,167.56/418,265.59 = 194,331.91/x
  3. Step 3: Cross multiply
    303,167.56x = 418,265.59 × 194,331.91
  4. Step 4: Simplify right side
    303,167.56x = 81,282,352,037.64
  5. Step 5: Solve for x
    x = 81,282,352,037.64/303,167.56
  6. Step 6: Final answer
    x = 268,110.32

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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.