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Finding the Fourth Proportional to 477,291.96, 658,665.81 and 262,433.79

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Solution

The fourth proportional to 477,291.96, 658,665.81 and 262,433.79 is: 362,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,291.96 : 658,665.81 = 262,433.79 : x
  2. Step 2: Convert to fraction form
    477,291.96/658,665.81 = 262,433.79/x
  3. Step 3: Cross multiply
    477,291.96x = 658,665.81 × 262,433.79
  4. Step 4: Simplify right side
    477,291.96x = 172,856,164,861.72
  5. Step 5: Solve for x
    x = 172,856,164,861.72/477,291.96
  6. Step 6: Final answer
    x = 362,160.23

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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.