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Finding the Fourth Proportional to 635,472.34, 876,950.78 and 348,992.42

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Solution

The fourth proportional to 635,472.34, 876,950.78 and 348,992.42 is: 481,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,472.34 : 876,950.78 = 348,992.42 : x
  2. Step 2: Convert to fraction form
    635,472.34/876,950.78 = 348,992.42/x
  3. Step 3: Cross multiply
    635,472.34x = 876,950.78 × 348,992.42
  4. Step 4: Simplify right side
    635,472.34x = 306,049,174,933.09
  5. Step 5: Solve for x
    x = 306,049,174,933.09/635,472.34
  6. Step 6: Final answer
    x = 481,608.96

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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.