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Finding the Fourth Proportional to 476,159.52, 656,997.48 and 274,838.88

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Solution

The fourth proportional to 476,159.52, 656,997.48 and 274,838.88 is: 379,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,159.52 : 656,997.48 = 274,838.88 : x
  2. Step 2: Convert to fraction form
    476,159.52/656,997.48 = 274,838.88/x
  3. Step 3: Cross multiply
    476,159.52x = 656,997.48 × 274,838.88
  4. Step 4: Simplify right side
    476,159.52x = 180,568,451,566.02
  5. Step 5: Solve for x
    x = 180,568,451,566.02/476,159.52
  6. Step 6: Final answer
    x = 379,218.40

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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.