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Finding the Fourth Proportional to 477,516.63, 658,962.21 and 262,651.98

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Solution

The fourth proportional to 477,516.63, 658,962.21 and 262,651.98 is: 362,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,516.63 : 658,962.21 = 262,651.98 : x
  2. Step 2: Convert to fraction form
    477,516.63/658,962.21 = 262,651.98/x
  3. Step 3: Cross multiply
    477,516.63x = 658,962.21 × 262,651.98
  4. Step 4: Simplify right side
    477,516.63x = 173,077,729,201.68
  5. Step 5: Solve for x
    x = 173,077,729,201.68/477,516.63
  6. Step 6: Final answer
    x = 362,453.83

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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.