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Finding the Fourth Proportional to 635,371.50, 952,855.16 and 208,808.90

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Solution

The fourth proportional to 635,371.50, 952,855.16 and 208,808.90 is: 313,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,371.50 : 952,855.16 = 208,808.90 : x
  2. Step 2: Convert to fraction form
    635,371.50/952,855.16 = 208,808.90/x
  3. Step 3: Cross multiply
    635,371.50x = 952,855.16 × 208,808.90
  4. Step 4: Simplify right side
    635,371.50x = 198,964,632,010.60
  5. Step 5: Solve for x
    x = 198,964,632,010.60/635,371.50
  6. Step 6: Final answer
    x = 313,146.93

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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.