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Finding the Fourth Proportional to 673,107.06, 928,872.90 and 371,301.06

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Solution

The fourth proportional to 673,107.06, 928,872.90 and 371,301.06 is: 512,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,107.06 : 928,872.90 = 371,301.06 : x
  2. Step 2: Convert to fraction form
    673,107.06/928,872.90 = 371,301.06/x
  3. Step 3: Cross multiply
    673,107.06x = 928,872.90 × 371,301.06
  4. Step 4: Simplify right side
    673,107.06x = 344,891,492,375.27
  5. Step 5: Solve for x
    x = 344,891,492,375.27/673,107.06
  6. Step 6: Final answer
    x = 512,387.28

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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.