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Finding the Fourth Proportional to 477,672.66, 659,193.53 and 259,882.58

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Solution

The fourth proportional to 477,672.66, 659,193.53 and 259,882.58 is: 358,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,672.66 : 659,193.53 = 259,882.58 : x
  2. Step 2: Convert to fraction form
    477,672.66/659,193.53 = 259,882.58/x
  3. Step 3: Cross multiply
    477,672.66x = 659,193.53 × 259,882.58
  4. Step 4: Simplify right side
    477,672.66x = 171,312,915,644.28
  5. Step 5: Solve for x
    x = 171,312,915,644.28/477,672.66
  6. Step 6: Final answer
    x = 358,640.82

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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.