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Finding the Fourth Proportional to 633,083.63, 873,778.37 and 479,854.56

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Solution

The fourth proportional to 633,083.63, 873,778.37 and 479,854.56 is: 662,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,083.63 : 873,778.37 = 479,854.56 : x
  2. Step 2: Convert to fraction form
    633,083.63/873,778.37 = 479,854.56/x
  3. Step 3: Cross multiply
    633,083.63x = 873,778.37 × 479,854.56
  4. Step 4: Simplify right side
    633,083.63x = 419,286,532,874.59
  5. Step 5: Solve for x
    x = 419,286,532,874.59/633,083.63
  6. Step 6: Final answer
    x = 662,292.49

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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.