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Finding the Fourth Proportional to 635,134.96, 876,463.57 and 359,486.90

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Solution

The fourth proportional to 635,134.96, 876,463.57 and 359,486.90 is: 496,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,134.96 : 876,463.57 = 359,486.90 : x
  2. Step 2: Convert to fraction form
    635,134.96/876,463.57 = 359,486.90/x
  3. Step 3: Cross multiply
    635,134.96x = 876,463.57 × 359,486.90
  4. Step 4: Simplify right side
    635,134.96x = 315,077,171,742.23
  5. Step 5: Solve for x
    x = 315,077,171,742.23/635,134.96
  6. Step 6: Final answer
    x = 496,079.09

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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.