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Finding the Fourth Proportional to 335,673.73, 503,505.65 and 82,954.21

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Solution

The fourth proportional to 335,673.73, 503,505.65 and 82,954.21 is: 124,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,673.73 : 503,505.65 = 82,954.21 : x
  2. Step 2: Convert to fraction form
    335,673.73/503,505.65 = 82,954.21/x
  3. Step 3: Cross multiply
    335,673.73x = 503,505.65 × 82,954.21
  4. Step 4: Simplify right side
    335,673.73x = 41,767,913,426.29
  5. Step 5: Solve for x
    x = 41,767,913,426.29/335,673.73
  6. Step 6: Final answer
    x = 124,430.09

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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.