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Finding the Fourth Proportional to 635,081.26, 876,013.49 and 376,775.33

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Solution

The fourth proportional to 635,081.26, 876,013.49 and 376,775.33 is: 519,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,081.26 : 876,013.49 = 376,775.33 : x
  2. Step 2: Convert to fraction form
    635,081.26/876,013.49 = 376,775.33/x
  3. Step 3: Cross multiply
    635,081.26x = 876,013.49 × 376,775.33
  4. Step 4: Simplify right side
    635,081.26x = 330,060,271,779.20
  5. Step 5: Solve for x
    x = 330,060,271,779.20/635,081.26
  6. Step 6: Final answer
    x = 519,713.45

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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.