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Finding the Fourth Proportional to 448,908.98, 673,470.39 and 168,428.66

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Solution

The fourth proportional to 448,908.98, 673,470.39 and 168,428.66 is: 252,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,908.98 : 673,470.39 = 168,428.66 : x
  2. Step 2: Convert to fraction form
    448,908.98/673,470.39 = 168,428.66/x
  3. Step 3: Cross multiply
    448,908.98x = 673,470.39 × 168,428.66
  4. Step 4: Simplify right side
    448,908.98x = 113,431,715,337.38
  5. Step 5: Solve for x
    x = 113,431,715,337.38/448,908.98
  6. Step 6: Final answer
    x = 252,683.11

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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.