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Finding the Fourth Proportional to 496,807,253.10, 685,598,690.70 and 273,796,964.52

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Solution

The fourth proportional to 496,807,253.10, 685,598,690.70 and 273,796,964.52 is: 377,842,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,807,253.10 : 685,598,690.70 = 273,796,964.52 : x
  2. Step 2: Convert to fraction form
    496,807,253.10/685,598,690.70 = 273,796,964.52/x
  3. Step 3: Cross multiply
    496,807,253.10x = 685,598,690.70 × 273,796,964.52
  4. Step 4: Simplify right side
    496,807,253.10x = 187,714,840,392,546,368
  5. Step 5: Solve for x
    x = 187,714,840,392,546,368/496,807,253.10
  6. Step 6: Final answer
    x = 377,842,391.03

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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.