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Finding the Fourth Proportional to 335,859.12, 463,578.12 and 228,608.64

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Solution

The fourth proportional to 335,859.12, 463,578.12 and 228,608.64 is: 315,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,859.12 : 463,578.12 = 228,608.64 : x
  2. Step 2: Convert to fraction form
    335,859.12/463,578.12 = 228,608.64/x
  3. Step 3: Cross multiply
    335,859.12x = 463,578.12 × 228,608.64
  4. Step 4: Simplify right side
    335,859.12x = 105,977,963,546.96
  5. Step 5: Solve for x
    x = 105,977,963,546.96/335,859.12
  6. Step 6: Final answer
    x = 315,542.91

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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.