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Finding the Fourth Proportional to 657,625.36, 985,845.64 and 236,605

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Solution

The fourth proportional to 657,625.36, 985,845.64 and 236,605 is: 354,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,625.36 : 985,845.64 = 236,605 : x
  2. Step 2: Convert to fraction form
    657,625.36/985,845.64 = 236,605/x
  3. Step 3: Cross multiply
    657,625.36x = 985,845.64 × 236,605
  4. Step 4: Simplify right side
    657,625.36x = 233,256,007,652.20
  5. Step 5: Solve for x
    x = 233,256,007,652.20/657,625.36
  6. Step 6: Final answer
    x = 354,694.36

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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.