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Finding the Fourth Proportional to 376,691.81, 519,840.98 and 204,610.11

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Solution

The fourth proportional to 376,691.81, 519,840.98 and 204,610.11 is: 282,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,691.81 : 519,840.98 = 204,610.11 : x
  2. Step 2: Convert to fraction form
    376,691.81/519,840.98 = 204,610.11/x
  3. Step 3: Cross multiply
    376,691.81x = 519,840.98 × 204,610.11
  4. Step 4: Simplify right side
    376,691.81x = 106,364,717,127.85
  5. Step 5: Solve for x
    x = 106,364,717,127.85/376,691.81
  6. Step 6: Final answer
    x = 282,365.35

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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.