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Finding the Fourth Proportional to 635,882.64, 877,539.60 and 349,413

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Solution

The fourth proportional to 635,882.64, 877,539.60 and 349,413 is: 482,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,882.64 : 877,539.60 = 349,413 : x
  2. Step 2: Convert to fraction form
    635,882.64/877,539.60 = 349,413/x
  3. Step 3: Cross multiply
    635,882.64x = 877,539.60 × 349,413
  4. Step 4: Simplify right side
    635,882.64x = 306,623,744,254.80
  5. Step 5: Solve for x
    x = 306,623,744,254.80/635,882.64
  6. Step 6: Final answer
    x = 482,201.79

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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.