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Finding the Fourth Proportional to 477,515.13, 658,960.16 and 262,650.48

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Solution

The fourth proportional to 477,515.13, 658,960.16 and 262,650.48 is: 362,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,515.13 : 658,960.16 = 262,650.48 : x
  2. Step 2: Convert to fraction form
    477,515.13/658,960.16 = 262,650.48/x
  3. Step 3: Cross multiply
    477,515.13x = 658,960.16 × 262,650.48
  4. Step 4: Simplify right side
    477,515.13x = 173,076,201,011.62
  5. Step 5: Solve for x
    x = 173,076,201,011.62/477,515.13
  6. Step 6: Final answer
    x = 362,451.76

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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.