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Finding the Fourth Proportional to 477,503.76, 658,965.72 and 262,654.71

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Solution

The fourth proportional to 477,503.76, 658,965.72 and 262,654.71 is: 362,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,503.76 : 658,965.72 = 262,654.71 : x
  2. Step 2: Convert to fraction form
    477,503.76/658,965.72 = 262,654.71/x
  3. Step 3: Cross multiply
    477,503.76x = 658,965.72 × 262,654.71
  4. Step 4: Simplify right side
    477,503.76x = 173,080,450,086.54
  5. Step 5: Solve for x
    x = 173,080,450,086.54/477,503.76
  6. Step 6: Final answer
    x = 362,469.29

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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.