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Finding the Fourth Proportional to 422,597,107.80, 633,895,661.70 and 422,597,107.80

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Solution

The fourth proportional to 422,597,107.80, 633,895,661.70 and 422,597,107.80 is: 633,895,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597,107.80 : 633,895,661.70 = 422,597,107.80 : x
  2. Step 2: Convert to fraction form
    422,597,107.80/633,895,661.70 = 422,597,107.80/x
  3. Step 3: Cross multiply
    422,597,107.80x = 633,895,661.70 × 422,597,107.80
  4. Step 4: Simplify right side
    422,597,107.80x = 267,882,473,281,387,264
  5. Step 5: Solve for x
    x = 267,882,473,281,387,264/422,597,107.80
  6. Step 6: Final answer
    x = 633,895,661.70

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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.