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Finding the Fourth Proportional to 635,631.66, 876,958.11 and 359,951.94

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Solution

The fourth proportional to 635,631.66, 876,958.11 and 359,951.94 is: 496,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,631.66 : 876,958.11 = 359,951.94 : x
  2. Step 2: Convert to fraction form
    635,631.66/876,958.11 = 359,951.94/x
  3. Step 3: Cross multiply
    635,631.66x = 876,958.11 × 359,951.94
  4. Step 4: Simplify right side
    635,631.66x = 315,662,772,993.23
  5. Step 5: Solve for x
    x = 315,662,772,993.23/635,631.66
  6. Step 6: Final answer
    x = 496,612.73

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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.