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Finding the Fourth Proportional to 625,087, 937,789.26 and 181,855

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Solution

The fourth proportional to 625,087, 937,789.26 and 181,855 is: 272,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,087 : 937,789.26 = 181,855 : x
  2. Step 2: Convert to fraction form
    625,087/937,789.26 = 181,855/x
  3. Step 3: Cross multiply
    625,087x = 937,789.26 × 181,855
  4. Step 4: Simplify right side
    625,087x = 170,541,665,877.30
  5. Step 5: Solve for x
    x = 170,541,665,877.30/625,087
  6. Step 6: Final answer
    x = 272,828.69

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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.