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Finding the Fourth Proportional to 606,800.72, 837,699.85 and 443,273.61

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Solution

The fourth proportional to 606,800.72, 837,699.85 and 443,273.61 is: 611,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,800.72 : 837,699.85 = 443,273.61 : x
  2. Step 2: Convert to fraction form
    606,800.72/837,699.85 = 443,273.61/x
  3. Step 3: Cross multiply
    606,800.72x = 837,699.85 × 443,273.61
  4. Step 4: Simplify right side
    606,800.72x = 371,330,240,301.43
  5. Step 5: Solve for x
    x = 371,330,240,301.43/606,800.72
  6. Step 6: Final answer
    x = 611,947.59

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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.