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Finding the Fourth Proportional to 550,694,621.44, 760,013,474.82 and 411,223,245.40

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Solution

The fourth proportional to 550,694,621.44, 760,013,474.82 and 411,223,245.40 is: 567,529,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,694,621.44 : 760,013,474.82 = 411,223,245.40 : x
  2. Step 2: Convert to fraction form
    550,694,621.44/760,013,474.82 = 411,223,245.40/x
  3. Step 3: Cross multiply
    550,694,621.44x = 760,013,474.82 × 411,223,245.40
  4. Step 4: Simplify right side
    550,694,621.44x = 312,535,207,663,211,584
  5. Step 5: Solve for x
    x = 312,535,207,663,211,584/550,694,621.44
  6. Step 6: Final answer
    x = 567,529,072.37

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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.