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Finding the Fourth Proportional to 397,312.46, 595,955.49 and 172,673.12

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Solution

The fourth proportional to 397,312.46, 595,955.49 and 172,673.12 is: 259,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,312.46 : 595,955.49 = 172,673.12 : x
  2. Step 2: Convert to fraction form
    397,312.46/595,955.49 = 172,673.12/x
  3. Step 3: Cross multiply
    397,312.46x = 595,955.49 × 172,673.12
  4. Step 4: Simplify right side
    397,312.46x = 102,905,493,839.43
  5. Step 5: Solve for x
    x = 102,905,493,839.43/397,312.46
  6. Step 6: Final answer
    x = 259,003.94

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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.