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Finding the Fourth Proportional to 673,057.50, 928,884.96 and 371,251.50

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Solution

The fourth proportional to 673,057.50, 928,884.96 and 371,251.50 is: 512,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,057.50 : 928,884.96 = 371,251.50 : x
  2. Step 2: Convert to fraction form
    673,057.50/928,884.96 = 371,251.50/x
  3. Step 3: Cross multiply
    673,057.50x = 928,884.96 × 371,251.50
  4. Step 4: Simplify right side
    673,057.50x = 344,849,934,727.44
  5. Step 5: Solve for x
    x = 344,849,934,727.44/673,057.50
  6. Step 6: Final answer
    x = 512,363.26

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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.