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Finding the Fourth Proportional to 477,618.58, 659,207.84 and 273,806.36

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Solution

The fourth proportional to 477,618.58, 659,207.84 and 273,806.36 is: 377,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,618.58 : 659,207.84 = 273,806.36 : x
  2. Step 2: Convert to fraction form
    477,618.58/659,207.84 = 273,806.36/x
  3. Step 3: Cross multiply
    477,618.58x = 659,207.84 × 273,806.36
  4. Step 4: Simplify right side
    477,618.58x = 180,495,299,153.86
  5. Step 5: Solve for x
    x = 180,495,299,153.86/477,618.58
  6. Step 6: Final answer
    x = 377,906.78

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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.