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Finding the Fourth Proportional to 635,968.20, 877,650 and 349,493.08

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Solution

The fourth proportional to 635,968.20, 877,650 and 349,493.08 is: 482,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,968.20 : 877,650 = 349,493.08 : x
  2. Step 2: Convert to fraction form
    635,968.20/877,650 = 349,493.08/x
  3. Step 3: Cross multiply
    635,968.20x = 877,650 × 349,493.08
  4. Step 4: Simplify right side
    635,968.20x = 306,732,601,662
  5. Step 5: Solve for x
    x = 306,732,601,662/635,968.20
  6. Step 6: Final answer
    x = 482,308.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.