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Finding the Fourth Proportional to 477,586.92, 659,009.90 and 322,874.64

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Solution

The fourth proportional to 477,586.92, 659,009.90 and 322,874.64 is: 445,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,586.92 : 659,009.90 = 322,874.64 : x
  2. Step 2: Convert to fraction form
    477,586.92/659,009.90 = 322,874.64/x
  3. Step 3: Cross multiply
    477,586.92x = 659,009.90 × 322,874.64
  4. Step 4: Simplify right side
    477,586.92x = 212,777,584,218.94
  5. Step 5: Solve for x
    x = 212,777,584,218.94/477,586.92
  6. Step 6: Final answer
    x = 445,526.41

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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.