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Finding the Fourth Proportional to 477,366.20, 658,768.78 and 259,573.32

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Solution

The fourth proportional to 477,366.20, 658,768.78 and 259,573.32 is: 358,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,366.20 : 658,768.78 = 259,573.32 : x
  2. Step 2: Convert to fraction form
    477,366.20/658,768.78 = 259,573.32/x
  3. Step 3: Cross multiply
    477,366.20x = 658,768.78 × 259,573.32
  4. Step 4: Simplify right side
    477,366.20x = 170,998,797,324.34
  5. Step 5: Solve for x
    x = 170,998,797,324.34/477,366.20
  6. Step 6: Final answer
    x = 358,213.04

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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.