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Finding the Fourth Proportional to 617,609,308.94, 926,443,757.67 and 203,076,952.73

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Solution

The fourth proportional to 617,609,308.94, 926,443,757.67 and 203,076,952.73 is: 304,625,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,609,308.94 : 926,443,757.67 = 203,076,952.73 : x
  2. Step 2: Convert to fraction form
    617,609,308.94/926,443,757.67 = 203,076,952.73/x
  3. Step 3: Cross multiply
    617,609,308.94x = 926,443,757.67 × 203,076,952.73
  4. Step 4: Simplify right side
    617,609,308.94x = 188,139,375,183,354,144
  5. Step 5: Solve for x
    x = 188,139,375,183,354,144/617,609,308.94
  6. Step 6: Final answer
    x = 304,625,225.79

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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.