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Finding the Fourth Proportional to 635,695.36, 953,528.28 and 320,067.52

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Solution

The fourth proportional to 635,695.36, 953,528.28 and 320,067.52 is: 480,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,695.36 : 953,528.28 = 320,067.52 : x
  2. Step 2: Convert to fraction form
    635,695.36/953,528.28 = 320,067.52/x
  3. Step 3: Cross multiply
    635,695.36x = 953,528.28 × 320,067.52
  4. Step 4: Simplify right side
    635,695.36x = 305,193,431,829.47
  5. Step 5: Solve for x
    x = 305,193,431,829.47/635,695.36
  6. Step 6: Final answer
    x = 480,093.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.