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Finding the Fourth Proportional to 635,252.51, 952,676.46 and 208,689.32

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Solution

The fourth proportional to 635,252.51, 952,676.46 and 208,689.32 is: 312,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,252.51 : 952,676.46 = 208,689.32 : x
  2. Step 2: Convert to fraction form
    635,252.51/952,676.46 = 208,689.32/x
  3. Step 3: Cross multiply
    635,252.51x = 952,676.46 × 208,689.32
  4. Step 4: Simplify right side
    635,252.51x = 198,813,404,999.10
  5. Step 5: Solve for x
    x = 198,813,404,999.10/635,252.51
  6. Step 6: Final answer
    x = 312,967.52

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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.