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Finding the Fourth Proportional to 477,143.88, 658,459.92 and 273,197.94

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Solution

The fourth proportional to 477,143.88, 658,459.92 and 273,197.94 is: 377,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,143.88 : 658,459.92 = 273,197.94 : x
  2. Step 2: Convert to fraction form
    477,143.88/658,459.92 = 273,197.94/x
  3. Step 3: Cross multiply
    477,143.88x = 658,459.92 × 273,197.94
  4. Step 4: Simplify right side
    477,143.88x = 179,889,893,716.57
  5. Step 5: Solve for x
    x = 179,889,893,716.57/477,143.88
  6. Step 6: Final answer
    x = 377,013.94

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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.