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Finding the Fourth Proportional to 552,379,245.98, 828,678,020.45 and 202,628,562.15

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Solution

The fourth proportional to 552,379,245.98, 828,678,020.45 and 202,628,562.15 is: 303,982,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,379,245.98 : 828,678,020.45 = 202,628,562.15 : x
  2. Step 2: Convert to fraction form
    552,379,245.98/828,678,020.45 = 202,628,562.15/x
  3. Step 3: Cross multiply
    552,379,245.98x = 828,678,020.45 × 202,628,562.15
  4. Step 4: Simplify right side
    552,379,245.98x = 167,913,835,768,078,656
  5. Step 5: Solve for x
    x = 167,913,835,768,078,656/552,379,245.98
  6. Step 6: Final answer
    x = 303,982,883.12

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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.