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Finding the Fourth Proportional to 376,896.08, 520,126.44 and 207,134.66

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Solution

The fourth proportional to 376,896.08, 520,126.44 and 207,134.66 is: 285,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,896.08 : 520,126.44 = 207,134.66 : x
  2. Step 2: Convert to fraction form
    376,896.08/520,126.44 = 207,134.66/x
  3. Step 3: Cross multiply
    376,896.08x = 520,126.44 × 207,134.66
  4. Step 4: Simplify right side
    376,896.08x = 107,736,213,306.41
  5. Step 5: Solve for x
    x = 107,736,213,306.41/376,896.08
  6. Step 6: Final answer
    x = 285,851.24

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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.