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Finding the Fourth Proportional to 635,047.26, 876,663.39 and 425,851.26

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Solution

The fourth proportional to 635,047.26, 876,663.39 and 425,851.26 is: 587,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,047.26 : 876,663.39 = 425,851.26 : x
  2. Step 2: Convert to fraction form
    635,047.26/876,663.39 = 425,851.26/x
  3. Step 3: Cross multiply
    635,047.26x = 876,663.39 × 425,851.26
  4. Step 4: Simplify right side
    635,047.26x = 373,328,209,227.37
  5. Step 5: Solve for x
    x = 373,328,209,227.37/635,047.26
  6. Step 6: Final answer
    x = 587,874.69

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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.