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Finding the Fourth Proportional to 337,698.41, 506,548.56 and 138,018.83

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Solution

The fourth proportional to 337,698.41, 506,548.56 and 138,018.83 is: 207,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,698.41 : 506,548.56 = 138,018.83 : x
  2. Step 2: Convert to fraction form
    337,698.41/506,548.56 = 138,018.83/x
  3. Step 3: Cross multiply
    337,698.41x = 506,548.56 × 138,018.83
  4. Step 4: Simplify right side
    337,698.41x = 69,913,239,589.38
  5. Step 5: Solve for x
    x = 69,913,239,589.38/337,698.41
  6. Step 6: Final answer
    x = 207,028.63

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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.