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Finding the Fourth Proportional to 635,262.66, 952,691.67 and 208,699.47

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Solution

The fourth proportional to 635,262.66, 952,691.67 and 208,699.47 is: 312,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,262.66 : 952,691.67 = 208,699.47 : x
  2. Step 2: Convert to fraction form
    635,262.66/952,691.67 = 208,699.47/x
  3. Step 3: Cross multiply
    635,262.66x = 952,691.67 × 208,699.47
  4. Step 4: Simplify right side
    635,262.66x = 198,826,246,602.42
  5. Step 5: Solve for x
    x = 198,826,246,602.42/635,262.66
  6. Step 6: Final answer
    x = 312,982.74

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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.