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Finding the Fourth Proportional to 704,951,781.03, 1,056,770,234.75 and 238,288,512.03

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Solution

The fourth proportional to 704,951,781.03, 1,056,770,234.75 and 238,288,512.03 is: 357,210,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,951,781.03 : 1,056,770,234.75 = 238,288,512.03 : x
  2. Step 2: Convert to fraction form
    704,951,781.03/1,056,770,234.75 = 238,288,512.03/x
  3. Step 3: Cross multiply
    704,951,781.03x = 1,056,770,234.75 × 238,288,512.03
  4. Step 4: Simplify right side
    704,951,781.03x = 251,816,206,797,064,576
  5. Step 5: Solve for x
    x = 251,816,206,797,064,576/704,951,781.03
  6. Step 6: Final answer
    x = 357,210,540.60

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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.