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Finding the Fourth Proportional to 476,825.28, 715,223.16 and 196,131.12

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Solution

The fourth proportional to 476,825.28, 715,223.16 and 196,131.12 is: 294,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,825.28 : 715,223.16 = 196,131.12 : x
  2. Step 2: Convert to fraction form
    476,825.28/715,223.16 = 196,131.12/x
  3. Step 3: Cross multiply
    476,825.28x = 715,223.16 × 196,131.12
  4. Step 4: Simplify right side
    476,825.28x = 140,277,519,420.74
  5. Step 5: Solve for x
    x = 140,277,519,420.74/476,825.28
  6. Step 6: Final answer
    x = 294,190.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.