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Finding the Fourth Proportional to 635,021, 952,531.52 and 191,789

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Solution

The fourth proportional to 635,021, 952,531.52 and 191,789 is: 287,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,021 : 952,531.52 = 191,789 : x
  2. Step 2: Convert to fraction form
    635,021/952,531.52 = 191,789/x
  3. Step 3: Cross multiply
    635,021x = 952,531.52 × 191,789
  4. Step 4: Simplify right side
    635,021x = 182,685,067,689.28
  5. Step 5: Solve for x
    x = 182,685,067,689.28/635,021
  6. Step 6: Final answer
    x = 287,683.51

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1.5x scale

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.