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Finding the Fourth Proportional to 635,635.26, 876,962.52 and 359,955.42

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Solution

The fourth proportional to 635,635.26, 876,962.52 and 359,955.42 is: 496,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,635.26 : 876,962.52 = 359,955.42 : x
  2. Step 2: Convert to fraction form
    635,635.26/876,962.52 = 359,955.42/x
  3. Step 3: Cross multiply
    635,635.26x = 876,962.52 × 359,955.42
  4. Step 4: Simplify right side
    635,635.26x = 315,667,412,210.86
  5. Step 5: Solve for x
    x = 315,667,412,210.86/635,635.26
  6. Step 6: Final answer
    x = 496,617.21

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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.