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Finding the Fourth Proportional to 635,745.33, 877,025.43 and 463,293.54

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Solution

The fourth proportional to 635,745.33, 877,025.43 and 463,293.54 is: 639,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,745.33 : 877,025.43 = 463,293.54 : x
  2. Step 2: Convert to fraction form
    635,745.33/877,025.43 = 463,293.54/x
  3. Step 3: Cross multiply
    635,745.33x = 877,025.43 × 463,293.54
  4. Step 4: Simplify right side
    635,745.33x = 406,320,216,134.72
  5. Step 5: Solve for x
    x = 406,320,216,134.72/635,745.33
  6. Step 6: Final answer
    x = 639,124.19

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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.