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Finding the Fourth Proportional to 252,745,947.90, 379,118,921.85 and 252,745,947.90

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Solution

The fourth proportional to 252,745,947.90, 379,118,921.85 and 252,745,947.90 is: 379,118,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,745,947.90 : 379,118,921.85 = 252,745,947.90 : x
  2. Step 2: Convert to fraction form
    252,745,947.90/379,118,921.85 = 252,745,947.90/x
  3. Step 3: Cross multiply
    252,745,947.90x = 379,118,921.85 × 252,745,947.90
  4. Step 4: Simplify right side
    252,745,947.90x = 95,820,771,269,804,272
  5. Step 5: Solve for x
    x = 95,820,771,269,804,272/252,745,947.90
  6. Step 6: Final answer
    x = 379,118,921.85

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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.