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Finding the Fourth Proportional to 659,687,186.32, 988,669,976.24 and 368,542,548.88

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Solution

The fourth proportional to 659,687,186.32, 988,669,976.24 and 368,542,548.88 is: 552,332,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,687,186.32 : 988,669,976.24 = 368,542,548.88 : x
  2. Step 2: Convert to fraction form
    659,687,186.32/988,669,976.24 = 368,542,548.88/x
  3. Step 3: Cross multiply
    659,687,186.32x = 988,669,976.24 × 368,542,548.88
  4. Step 4: Simplify right side
    659,687,186.32x = 364,366,953,044,618,624
  5. Step 5: Solve for x
    x = 364,366,953,044,618,624/659,687,186.32
  6. Step 6: Final answer
    x = 552,332,924.76

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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.