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Finding the Fourth Proportional to 477,983.05, 658,193.94 and 467,374.73

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Solution

The fourth proportional to 477,983.05, 658,193.94 and 467,374.73 is: 643,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,983.05 : 658,193.94 = 467,374.73 : x
  2. Step 2: Convert to fraction form
    477,983.05/658,193.94 = 467,374.73/x
  3. Step 3: Cross multiply
    477,983.05x = 658,193.94 × 467,374.73
  4. Step 4: Simplify right side
    477,983.05x = 307,623,216,600.43
  5. Step 5: Solve for x
    x = 307,623,216,600.43/477,983.05
  6. Step 6: Final answer
    x = 643,586.04

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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.