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Finding the Fourth Proportional to 635,634.66, 876,962.25 and 359,954.94

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Solution

The fourth proportional to 635,634.66, 876,962.25 and 359,954.94 is: 496,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,634.66 : 876,962.25 = 359,954.94 : x
  2. Step 2: Convert to fraction form
    635,634.66/876,962.25 = 359,954.94/x
  3. Step 3: Cross multiply
    635,634.66x = 876,962.25 × 359,954.94
  4. Step 4: Simplify right side
    635,634.66x = 315,666,894,081.02
  5. Step 5: Solve for x
    x = 315,666,894,081.02/635,634.66
  6. Step 6: Final answer
    x = 496,616.87

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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.