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Finding the Fourth Proportional to 475,935,572.72, 656,795,961.24 and 264,245,870

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Solution

The fourth proportional to 475,935,572.72, 656,795,961.24 and 264,245,870 is: 364,662,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,935,572.72 : 656,795,961.24 = 264,245,870 : x
  2. Step 2: Convert to fraction form
    475,935,572.72/656,795,961.24 = 264,245,870/x
  3. Step 3: Cross multiply
    475,935,572.72x = 656,795,961.24 × 264,245,870
  4. Step 4: Simplify right side
    475,935,572.72x = 173,555,620,190,350,080
  5. Step 5: Solve for x
    x = 173,555,620,190,350,080/475,935,572.72
  6. Step 6: Final answer
    x = 364,662,004.98

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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.