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Finding the Fourth Proportional to 546,973,129.60, 820,260,628.80 and 274,253,257.60

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Solution

The fourth proportional to 546,973,129.60, 820,260,628.80 and 274,253,257.60 is: 411,280,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,973,129.60 : 820,260,628.80 = 274,253,257.60 : x
  2. Step 2: Convert to fraction form
    546,973,129.60/820,260,628.80 = 274,253,257.60/x
  3. Step 3: Cross multiply
    546,973,129.60x = 820,260,628.80 × 274,253,257.60
  4. Step 4: Simplify right side
    546,973,129.60x = 224,959,149,529,424,384
  5. Step 5: Solve for x
    x = 224,959,149,529,424,384/546,973,129.60
  6. Step 6: Final answer
    x = 411,280,074.57

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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.